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开行组合列车是我国铁路运输的重大改革,是在现有设备条件下,扭转我国铁路运输被动局面的有力措施之一,在繁忙干线上开行组合列车,对扩大铁路运能满足运量日
Combined train operation is a major reform of China’s railway transportation and an effective measure to reverse the passive situation of China’s railway transportation under the existing equipment. The combined trains will be opened on the busy trunk lines to expand the railway capacity to meet the traffic day