题海让大学四年没有难题
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单选题 If you must pump bilges while a vessel is in port, you should pump only_______

A. if discharge is led to a shore tank or barge

B. as much as is necessary

C. during the hours of darkness

D. on the outgoing tide

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学科:航海英语

时间:2026-05-25 20:06:52

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