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我国铁路发展重载运输的主要目的是提高货物列车重量,增强货物输送能力,以缓和线路通过能力的紧张状况。大秦线是我国第一条双线电气化开行重载单元货物列车的煤运线路。该线重车方向限坡为4‰,下行方向;空车方向限坡为12‰,上行方向。采用三显示自动闭塞,追踪列车间隔时间为10
The main purpose of China’s railways in developing heavy-haul transport is to increase the weight of freight trains and increase the capacity of cargo transportation in order to ease the tense situation of capacity passing through the routes. Datong-Qinhuangdao-Qinhuangdao-Hebei line is the first coal-based line operated by China’s two-lane electrified heavy-cargo train. The line of heavy vehicles in the direction of slope 4 ‰, the downward direction; empty direction of the slope is 12 ‰, the upward direction. Automatic display with three blocks, tracking train interval of 10