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提问人:网友d*******1 发布时间:2023年2月8日 07:14
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第一,第二种工作票的有效时间指()。

A . A、工作有效时间;

B . B、批准的检修时间;

C . C、领导规定的时间;

D . D、调度批准的时间。

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