每个船员每月至少参加一次弃船演习和一次救生演习。

Every crewmember shall have participated in at least one abandon ship and one fire drill every month.

youdao

每个船员每月至少参加一次弃船演习和一次救生演习。

Every crewmember shall have participated in at least one abandon ship and one fire drill every month.

youdao