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问题详情

A bilge suction line，in a fishing vessel with more than 16 individuals aboard，must have a strainer with an open area not less than how many times the open area of the suction line?（）

A、one

B、two

C、three

D、four

时间：2022-01-15 13:08 关键词：船体设备

答案解析

C

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