试题与答案

当120km/h＜允许速度Vmax≤160km/h时，作业人员下道避车时距钢轨头部外

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题型：单项选择题

题目：

当120km/h＜允许速度Vmax≤160km/h时，作业人员下道避车时距钢轨头部外侧距离不小于（）。

A.2m

B.2.5m

C.3.0m

D.3.5m

答案：

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参考答案：起始

考点：铁路线路工技能考试线路工共性规章类知识线路工共性规章类知识题库
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