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单选题
Mooring winches are often combined with （） units so that one prime mover drives both.
A
crane
B
hatch cover
C
windlass
D
steering gear
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单选题What could be a result of insufficient lubrication of lifeboat winches and davits?（）A
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worm gearedD
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单选题During storm conditions on a vessel，the mooring tensions should be adjusted so that（）.A
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考题
单选题Two mooring lines may be placed on the same bollard and either one cast off first if（）.A
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单选题The spur geared mooring winches have advantages over worm geared ones in（）A
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单选题Which statement is TRUE about placing the eyes of two mooring lines on the same bollard?（）A
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