机车交路系统是全路列车运行图系统的三大系统之一，为全路列车运行动力组织工作提供基础。
As one of the three major systems for train operating-diagram, locomotive working system offers basic motive force for organization work of train operation.
机车交路系统是全路列车运行图系统的三大系统之一，为全路列车运行动力组织工作提供基础。
As one of the three major systems for train operating-diagram, locomotive working system offers basic motive force for organization work of train operation.
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