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动火作业作业证的使用要求？

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作业完毕，吊装作业人员还应做哪些工作？

I have noticed that in China people never call their parents by their names. 英译汉

They had an accident on the road and did not arrive at the hotel until after midnight. 英译汉

I appreciated your care of my dog while I was out. 英译汉