A、ring buoys are thrown overboard
B、engines are stopped
C、fire pumps are started
D、life preservers have been issued to everyone
A、ring buoys are thrown overboard
B、engines are stopped
C、fire pumps are started
D、life preservers have been issued to everyone
时间:2022-01-03 14:23 关键词: 船舶电气与船舶安全
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