All contractors must use this log to account for personnel in the event of an emergency.

一旦发生紧急事件，所有承包商都必须使用该日志来了解人事情况。

youdao

All contractors must use this log to account for personnel in the event of an emergency.

一旦发生紧急事件，所有承包商都必须使用该日志来了解人事情况。

youdao