For investigating the air pollution in double line railway tunnel by electric traction, we tested the air condition in Jundushan tunnel.
为了解电力牵引的双线铁路运营隧道空气污染状况，选择军都山隧道进行现场测试。
Using double layer container transport is an effective approach to reduce intense transport capacity of main railway line in China and decrease container transport cost.
采用双层集装箱运输是缓解目前我国铁路主要干线运输能力紧张状况、降低集装箱运输成本的有效途径。
Until now the bridge is the longest span in the continuous rigid frame double line railway bridge in our country.
该桥是目前我国最大跨度的预应力混凝土连续刚构铁路双线桥。
It is also pointed out in the thesis that when trains are running in railway line, using double receivers, fusing GPS single point position units with other locating sensors is of great value.
对大型车站、道口、大型个体工程等处则建立连续运营GPS差分基准站，采用动态差分GPS数据与其它传感器数据组合定位的方案，以提高列车定位的精度。
Introduces OCS construction transitional plan such as railway line-moving, line-crossing and side-exchanging, bridge and track laying, station closing up etc. on Zhuzhou-Liupanshui double track lines.
介绍了株六复线改造因线路拨移、线路交叉换侧、桥梁铺架、车站封闭等引起接触网施工方案的过渡。
Introduces OCS construction transitional plan such as railway line-moving, line-crossing and side-exchanging, bridge and track laying, station closing up etc. on Zhuzhou-Liupanshui double track lines.
介绍了株六复线改造因线路拨移、线路交叉换侧、桥梁铺架、车站封闭等引起接触网施工方案的过渡。
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