?驼峰电气集中

... 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 ...

?驼峰电气集中联锁

... 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 ...