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苏联铁路超重货物列车组织运行的实践经验以及对这个问题的理论研究均表明这种运行方式的合理性,并以它的高效率作为提高区段通过能力的措施。在超重列车运行的铁路线上,当列车重量和长度符合规定时,不论是在车站上或区间内,都可以把一个列车连挂在另一个列车尾部。这时,一台机车作为牵引列车的主机挂在列车头部,而另一机车(辅机)加在两列车之间,当主机与辅机工况发生变化时,双联列车的牵引操作需要使两台机车司机互相密切配合才行。
The practical experience of the operation of the Soviet Union’s railway overweight cargo train organization as well as theoretical studies on this issue show the rationality of this mode of operation and take its high efficiency as a measure to improve the capacity of the section. On an overloaded train operated railroad line, it is possible to hang one train at the rear of another when the weight and length of the train are within the limits of the station or range. At this time, a locomotive as the main traction train hanging in the train head, while the other locomotive (auxiliary) added between the two trains, when the host and auxiliary conditions change, the dual train traction operation needs So that the two locomotive drivers work closely with each other Caixing.