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个人保安线应在杆塔上接触或接近导线的作业开始前挂接，（）拆除。

发布于 2021-03-27 09:01:42

【单选题】
A 作业结束
B 作业结束脱离导线后
C 作业间隙
D 根据需要

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wzh1326 2023-03-27

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这家伙很懒，什么也没写！

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