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驼峰调车时，是利用（），车辆溜放的动力以其自身的重力为主，调车机车的推力为辅。
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驼峰调车时，是利用（），车辆溜放的动力以其自身的重力为主，调车机车的推力为辅。
A.调车机车的拉力
B.驼峰高差的位能
C.人工推力
D.调车机车的推力
正确答案：驼峰高差的位能
Tag：
交通运输设备
驼峰
推力
时间：2024-01-11 10:43:51
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