本文对装车地直达列车开行方案问题进行了研究。
This paper addresses the problem of direct freight train service.
本文对装车地直达列车开行方案问题进行了研究。
Aim at the question of maximum freight train arrangement, this article established an optimized simplification model.
本文对装车地直达列车开行方案问题进行了研究。
Aim at the question of maximum freight train arrangement, this article established an optimized simplification model.
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