On a ship，when may a work vest be substituted for a required life preserver?（） -题库考试答案搜索网

On a ship，when may a work vest be substituted for a required life preserver?（）

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2022-01-03 00:34

A、To replace a damaged life preserver
B、For use during fire drills
C、For use during boat drills
D、At no time

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正确答案

D

试题解析

标签：救生设备

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