有关承包商管理安全要求的说明到此结束。现在我们回顾一下之前讲述的内容。

This concludes our description of contractor management safety requirements. Let's review what we have covered.

youdao

有关承包商管理安全要求的说明到此结束。现在我们回顾一下之前讲述的内容。

This concludes our description of contractor management safety requirements. Let's review what we have covered.

youdao