A、The time required to lower a lifeboat
B、The time required to raise a lifeboat
C、The date of inspection and condition of the winch
D、All of the above
A、The time required to lower a lifeboat
B、The time required to raise a lifeboat
C、The date of inspection and condition of the winch
D、All of the above
时间:2022-01-03 08:09 关键词: 压力管道作业
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