一进(Entered)一出大秦铁路(Datong-Qinhuangdao Railway)是近年来较为得胜的一次超短线操纵，既有偶尔的因素大盘的配合和个股的下杀与上冲，在经年后，感叹，那两个少年：一个惊艳了时光...
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The author suggests a new system to do track maintenance and repair work separately on Datong-Qinhuangdao Railway Line.
建议大秦铁路线路养护维修工作试行养修分离新体制。
As one of the major rear channels of coal transport in large quantities on Datong-Qinhuangdao railway line, Datong-Baotou railway will operate 10,000-ton trains to meet the cargo requirements.
作为大秦线煤炭集运主要后方通道之一，大包线为满足其集运要求，开行万吨列车。
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