问题
单项选择题
如果船舶配备气胀式救生衣，离开船舶之前（）给救生衣充气。
A.必须
B.不得
C.视情
答案
参考答案：B
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如果船舶配备气胀式救生衣，离开船舶之前（）给救生衣充气。
A.必须
B.不得
C.视情
参考答案：B
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