<p class="MsoNormal" style="background:#fafafa;text-align:left;" align="left">
 <b><span style="font-size:12pt;color:#f10b00;font-family:宋体;">济南金宏通始终秉持一个信念：实实在在做人，规规矩矩做事。</span></b><span style="font-size:12pt;font-family:宋体;"> </span>
</p>
<p class="MsoNormal" style="background:#fafafa;text-align:left;" align="left">
 <b><span style="font-size:12pt;color:#f10b00;font-family:宋体;">山东金宏通钢管公司位于山东省济南市二环北路东首将军路北首东方兴业<span>111</span>号，紧邻京沪，京台，济广，青银，青兰，济聊高速，交通运输条件得天独厚，四通八达，十分便利。<span><br />
</span>金宏通钢管公司是山东省大型国标型钢流通企业，公司成立于<span>2000</span>年，金宏通源钢管拼搏进取。<span>&nbsp;&nbsp;</span>金宏通公司始终坚持<span>“</span>立足钢市，服务百年<span>”</span>的感恩理念，秉承<span>“</span>诚实守信、优质服务、精诚合作、共创辉煌<span>”</span>的经营理念，以金属流通为主业，以<span>“</span>想顾客之所想，急顾客之所急<span>”</span>为己任，服务客户，奉献社会，规模实力不断增强，品牌信誉日益提升。</span></b><span style="font-size:12pt;font-family:宋体;"> <span></span></span>
</p>
<p class="MsoNormal" style="background:#fafafa;text-align:left;" align="left">
 <span style="font-size:12pt;font-family:宋体;"></span>
</p>
<p class="MsoNormal" style="text-align:left;" align="left">
 <b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">济南金宏通钢材有限公司主要生产经营：钢轨，道轨，轻轨，重轨，吊车轨，矿用轨等</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">.8kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">轻轨，</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">22kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">轻轨，</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">24kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">轻轨，</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">30kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">轻轨，轻轨</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;"> 8kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">9kg, 12 kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">15 kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">18 kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">22 kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">24 kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">30kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">材质：</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;"> 55Q/Q235B</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、产品描述：执行标准</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">:GB2585-81/QB</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">，。</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;"> </span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">钢轨分重轨和轻轨两种</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">,</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">钢轨规格用每米长公称重量表示。</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">12kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">钢轨，天津</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">12kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">钢轨，北京</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">12kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">钢轨</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;"> </span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">轻轨：每米公称重量小于</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">30</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">公斤的钢轨</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;"> 8KG </span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">轨高：</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">65mm </span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">头宽：</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">25mm </span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">腰厚：</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">7.0mm </span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">理论重量：</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">8.42KG/M9KG </span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">轨高：</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">63.5mm </span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">头宽：</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">32.1mm </span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">腰厚：</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">5.9mm </span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">理论</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">...</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">钢轨型号及尺寸。</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;"></span></b>
</p>
<p class="MsoNormal" style="text-align:left;" align="left">
 <b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">钢轨理论表：</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">8kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">9kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">12kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">15kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">18kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">22kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">24kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">30kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">38kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">43kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">45kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">50kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">60kg</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">QU70/QU80/QU100/QU120D</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">等</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;"> </span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">，材质：</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">Q235B</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">55Q</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">45Mn</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">、</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">71Mn</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">。</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;"></span></b>
</p>
<p class="MsoNormal" style="text-align:left;" align="left">
 <b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">钢轨标准长度为</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">12.5m</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">和</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">25m</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:宋体;">两种</span></b><b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;">. </span></b>
</p>
<p style="background:white;">
 <b><span style="color:black;">钢轨标准长度为</span></b><b><span style="color:black;font-family:Tahoma;">12.5m</span></b><b><span style="color:black;">和</span></b><b><span style="color:black;font-family:Tahoma;">25m</span></b><b><span style="color:black;">两种</span></b><b><span style="color:black;font-family:Tahoma;">.</span></b><span style="font-size:9pt;color:black;font-family:Tahoma;"></span>
</p>
<h3 style="background:white;">
 <span class="headline-content"><span style="font-size:12pt;color:black;">（</span></span><span class="headline-content"><span style="font-size:12pt;color:black;font-family:Tahoma;">1</span></span><span class="headline-content"><span style="font-size:12pt;color:black;">）分类</span></span><span class="headline-content"><span style="font-size:12pt;color:black;font-family:Tahoma;">(</span></span><span class="headline-content"><span style="font-size:12pt;color:black;">国内</span></span><span class="headline-content"><span style="font-size:12pt;color:black;font-family:Tahoma;">)</span></span><span class="headline-content"><span style="font-size:12pt;color:black;">。</span></span><span style="font-size:9pt;color:black;font-family:Tahoma;"></span>
</h3>
<p style="background:white;">
 <span style="color:black;">　　我国钢轨以每米大致重量的公斤数，可分为起重机轨（吊车轨）、重轨与轻轨三种：</span><span style="font-size:9pt;color:black;font-family:Tahoma;"></span>
</p>
<p style="background:white;">
 <span style="color:black;">　　</span><span style="color:black;">①</span><span style="color:black;">起重机轨分为</span><span style="color:black;font-family:Tahoma;"> QU120,QU100,QU80,QU70</span><span style="color:black;">四种，材质一般为锰钢，单重最大的是</span><span style="color:black;font-family:Tahoma;">QU120</span><span style="color:black;">可达</span><span style="color:black;font-family:Tahoma;">118kg/m</span><span style="color:black;">。</span><span style="font-size:9pt;color:black;font-family:Tahoma;"></span>
</p>
<p style="background:white;">
 <span style="color:black;">　　</span><span style="color:black;">②</span><span style="color:black;">重轨。按所用钢材钢种分为：普通含锰钢轨、含铜普碳钢钢轨、高硅含铜钢钢轨、铜轨、锰轨、硅轨等。主要有</span><span style="color:black;font-family:Tahoma;">38</span><span style="color:black;">、</span><span style="color:black;font-family:Tahoma;">43</span><span style="color:black;">、</span><span style="color:black;font-family:Tahoma;">50kg </span><span style="color:black;">三种。此外还有用于少数线路上的</span><span style="color:black;font-family:Tahoma;">45kg</span><span style="color:black;">轨，已计划在运量大和车速高的线路上用的</span><span style="color:black;font-family:Tahoma;">60kg</span><span style="color:black;">轨。</span><span style="color:black;font-family:Tahoma;">GB2585— 81</span><span style="color:black;">规定了我国</span><span style="color:black;font-family:Tahoma;">38</span><span style="color:black;">～</span><span style="color:black;font-family:Tahoma;">50kg/m</span><span style="color:black;">钢轨的技术条件，其尺寸和代号等如表</span><span style="color:black;font-family:Tahoma;">6—7—10</span><span style="color:black;">所示。</span><span style="font-size:9pt;color:black;font-family:Tahoma;"></span>
</p>
<p style="background:white;">
 <span style="color:black;">　　</span><span style="color:black;font-family:Tahoma;">2007</span><span style="color:black;">年我国颁布了新标准</span><span style="color:black;font-family:Tahoma;"> GB 2585-2007</span><span style="color:black;">，除</span><span style="color:black;font-family:Tahoma;">38</span><span style="color:black;">～</span><span style="color:black;font-family:Tahoma;">50kg/m</span><span style="color:black;">外，新增加了</span><span style="color:black;font-family:Tahoma;">60kg/m</span><span style="color:black;">和</span><span style="color:black;font-family:Tahoma;">75kg/m</span><span style="color:black;">两种型号的重轨。</span><span style="font-size:9pt;color:black;font-family:Tahoma;"></span>
</p>
<p style="background:white;">
 <span style="color:black;">　　另外，国际上各个国家都有自己的生产钢轨的标准，分类方式也不尽相同。</span><span style="font-size:9pt;color:black;font-family:Tahoma;"></span>
</p>
<p style="background:white;">
 <b><span style="color:black;">轨头高度及凸出</span></b><b><span style="color:black;font-family:Tahoma;">±0.5mm<span class="apple-converted-space">&nbsp;</span></span></b><b><span style="font-size:9pt;color:black;font-family:Tahoma;"><br />
</span></b><b><span style="color:black;">轨头宽度</span></b><b><span style="color:black;font-family:Tahoma;">±0.5mm<span class="apple-converted-space">&nbsp;</span></span></b><b><span style="font-size:9pt;color:black;font-family:Tahoma;"><br />
</span></b><b><span style="color:black;">轨腰厚度</span></b><b><span style="color:black;font-family:Tahoma;">+0.75mm -0.5mm<span class="apple-converted-space">&nbsp;</span></span></b><b><span style="font-size:9pt;color:black;font-family:Tahoma;"><br />
</span></b><b><span style="color:black;">轨底宽度</span></b><b><span style="color:black;font-family:Tahoma;">+1.0mm -2.0mm<span class="apple-converted-space">&nbsp;</span></span></b><b><span style="font-size:9pt;color:black;font-family:Tahoma;"><br />
</span></b><b><span style="color:black;">轨腰高度</span></b><b><span style="color:black;font-family:Tahoma;">±0.5mm<span class="apple-converted-space">&nbsp;</span></span></b><b><span style="font-size:9pt;color:black;font-family:Tahoma;"><br />
</span></b><b><span style="color:black;">高度</span></b><b><span style="color:black;font-family:Tahoma;">+0.8mm -0.5mm<span class="apple-converted-space">&nbsp;</span></span></b><b><span style="font-size:9pt;color:black;font-family:Tahoma;"><br />
</span></b><b><span style="color:black;">长度</span></b><b><span style="color:black;font-family:Tahoma;">±6.0mm<span class="apple-converted-space">&nbsp;</span></span></b><b><span style="font-size:9pt;color:black;font-family:Tahoma;"><br />
</span></b><b><span style="color:black;">螺栓孔尺寸、每个螺栓孔到钢轨端部的距离及螺栓孔在钢轨高度方向的位置</span></b><b><span style="color:black;font-family:Tahoma;">±1.0mm<span class="apple-converted-space">&nbsp;</span></span></b><b><span style="font-size:9pt;color:black;font-family:Tahoma;"><br />
</span></b><b><span style="color:black;">断面不与其垂直轴线成对称</span></b><span class="apple-converted-space"><b><span style="color:black;font-family:Tahoma;">&nbsp;</span></b></span><b><span style="font-size:9pt;color:black;font-family:Tahoma;"><br />
</span></b><b><span style="color:black;">轨底</span></b><b><span style="color:black;font-family:Tahoma;">10mm<span class="apple-converted-space">&nbsp;</span></span></b><b><span style="font-size:9pt;color:black;font-family:Tahoma;"><br />
</span></b><b><span style="color:black;">轨头</span></b><b><span style="color:black;font-family:Tahoma;">0.5mm<span class="apple-converted-space">&nbsp;</span></span></b><b><span style="font-size:9pt;color:black;font-family:Tahoma;"><br />
</span></b><b><span style="color:black;">其它尺寸</span></b><b><span style="color:black;font-family:Tahoma;">±0.5mm</span></b><span style="font-size:9pt;color:black;font-family:Tahoma;"></span>
</p>
<p style="background:white;">
 <b><span style="color:black;">钢轨是铁路轨道的主要组成部件。</span></b><b><span style="font-size:9pt;color:black;font-family:Tahoma;"><br />
</span></b><b><span style="color:black;">它的功用在于引导机车车辆的车轮前进，承受车轮的巨大压力，并传递到轨枕上。钢轨必须为车轮提供连续、平顺和阻力最小的滚动表面。在电气化铁道或自动闭塞区段，钢轨还可兼做轨道电路之用。</span></b><b><span style="font-size:9pt;color:black;font-family:Tahoma;"><br />
</span></b><b><span style="color:black;">　　</span></b><span style="font-size:9pt;color:black;font-family:Tahoma;"></span>
</p>
<p class="MsoNormal" style="text-align:left;" align="left">
 <b><span style="font-size:12pt;color:#666666;line-height:200%;font-family:Helvetica;"></span></b>
</p>
<p class="MsoNormal">
 <b><span style="color:black;font-family:宋体;">铁路钢轨型号：（</span></b><b><span style="color:black;font-family:Tahoma;">1</span></b><b><span style="color:black;font-family:宋体;">）轻型钢轨型号，钢轨材质</span></b><b><span style="color:black;font-family:Tahoma;">: Q235</span></b><b><span style="color:black;font-family:宋体;">，</span></b><b><span style="color:black;font-family:Tahoma;">55Q </span></b><b><span style="color:black;font-family:宋体;">；钢轨规格：</span></b><b><span style="color:black;font-family:Tahoma;">30kg/m</span></b><b><span style="color:black;font-family:宋体;">，</span></b><b><span style="color:black;font-family:Tahoma;">24kg/m</span></b><b><span style="color:black;font-family:宋体;">，</span></b><b><span style="color:black;font-family:Tahoma;">22kg/m</span></b><b><span style="color:black;font-family:宋体;">，</span></b><b><span style="color:black;font-family:Tahoma;">18kg/m</span></b><b><span style="color:black;font-family:宋体;">，</span></b><b><span style="color:black;font-family:Tahoma;">15kg/m</span></b><b><span style="color:black;font-family:宋体;">，</span></b><b><span style="color:black;font-family:Tahoma;">12 kg/m</span></b><b><span style="color:black;font-family:宋体;">，</span></b><b><span style="color:black;font-family:Tahoma;">8 kg/m</span></b><b><span style="color:black;font-family:宋体;">。（</span></b><b><span style="color:black;font-family:Tahoma;">2</span></b><b><span style="color:black;font-family:宋体;">）重型钢轨型号</span></b><b><span style="color:black;font-family:Tahoma;">, </span></b><b><span style="color:black;font-family:宋体;">钢轨材质</span></b><b><span style="color:black;font-family:Tahoma;">: 45MN</span></b><b><span style="color:black;font-family:宋体;">，</span></b><b><span style="color:black;font-family:Tahoma;">71MN</span></b><b><span style="color:black;font-family:宋体;">；钢轨规格：</span></b><b><span style="color:black;font-family:Tahoma;">50kg/m</span></b><b><span style="color:black;font-family:宋体;">，</span></b><b><span style="color:black;font-family:Tahoma;">43kg/m</span></b><b><span style="color:black;font-family:宋体;">，</span></b><b><span style="color:black;font-family:Tahoma;">38kg/m</span></b><b><span style="color:black;font-family:宋体;">，</span></b><b><span style="color:black;font-family:Tahoma;">33kg/m</span></b><b><span style="color:black;font-family:宋体;">。（</span></b><b><span style="color:black;font-family:Tahoma;">3</span></b><b><span style="color:black;font-family:宋体;">）起重钢轨型号</span></b><b><span style="color:black;font-family:Tahoma;">,</span></b><b><span style="color:black;font-family:宋体;">钢轨材质</span></b><b><span style="color:black;font-family:Tahoma;">: U71MN</span></b><b><span style="color:black;font-family:宋体;">；钢轨规格：</span></b><b><span style="color:black;font-family:Tahoma;">QU70kg/m </span></b><b><span style="color:black;font-family:宋体;">，</span></b><b><span style="color:black;font-family:Tahoma;">QU80kg/m</span></b><b><span style="color:black;font-family:宋体;">，</span></b><b><span style="color:black;font-family:Tahoma;">QU100kg/m</span></b><b><span style="color:black;font-family:宋体;">，</span></b><b><span style="color:black;font-family:Tahoma;">QU120kg/m</span></b><b><span style="color:black;font-family:宋体;">。以上钢轨型号为常用钢轨型号</span></b><b><span style="color:black;font-family:Tahoma;"></span></b>
</p>
<p class="MsoNormal">
 <span></span>
</p>