在对设备时间的划分中,实际工作时间是指(  )。

在对设备时间的划分中,实际工作时间是指(  )。

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为什么压力容器容易出现破坏事故?

为什么压力容器容易出现破坏事故?

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The conclusion which can be drawn the second paragraph is th

The conclusion which can be drawn the second paragraph is that _______.

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The factor which does NOT influence the size of the workforc

The factor which does NOT influence the size of the workforce is _______.

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