... 脱线修 off line maintenance 驼峰电气集中 electric interlocking for hump yard 驼峰复示信号机 humping signal repeater ...
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... 驼峰机车信号 hump cab signalling 驼峰电气集中联锁 electric interlocking for hump yard 车辆加减速器 car accelerator/retarder ...
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