Each commercial fishing vessel must have at least one immersion suit，exposure suit，or life preserver for each（）.<br>A:person aboard<br>B:person working on deck<br>C:crew member<br>D:None of the above are correct

Each commercial fishing vessel must have at least one immersion suit，exposure suit，or life preserver for each（）.
A:person aboard
B:person working on deck
C:crew member
D:None of the above are correct

出自：海船船员证

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