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线路拨道作业所需材料及工器具有：（）轨温计、钢板尺、弦线、活动扳手等。

发布于 2021-02-17 22:55:34

【多选题】
A A.轨距尺
B B.液压起拨道器
C C.钢叉
D D.捣镐

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这家伙很懒，什么也没写！

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卡姿兰小眼睛

你真的快乐吗？或许只是低着头不想说话……

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