船体设备

单项选择题

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

相关考题

Limber is a term associated with（）.A.emergency gearB.dr...

单项选择题Limber is a term associated with（）.

A.emergency gear
B.drainage
C.deck cargo storage
D.securing gear

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