You must ensure that lifesaving equipment is（）.<br>A:Locked up<br>B:Readily accessible for use<br>C:Inaccessible to passengers<br>D:On the topmost deck of the vessel at all times

You must ensure that lifesaving equipment is（）.
A:Locked up
B:Readily accessible for use
C:Inaccessible to passengers
D:On the topmost deck of the vessel at all times

出自：海船船员证

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