单项选择题

The motor for the fresh water pump （）.

A.need to repair
B.need to be repaired
C.needs to repair
D.needs repairing

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I remember （）the oil separator the day before yesterday But it failed again.

A.to repair
B.to be repaired
C.repairing
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During bunkering, the request for stoppage of pumping shall be made, as a rule, 5 minutes （）.

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单项选择题

The clutch band of a constant tensioning mooring winch must be set up tight enough to drive the winch drum and should slip only when （）.

A.excessive loads are placed on the winch
B.minimum pull is being exerted by the winch
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D.wire is being retrieved at the maximum rate