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。
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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