The spur geared mooring winches have advantages over worm geared ones in（）<br>A:higher efficiency of the gear train while reversing<br>B:the higher gear ratio<br>C:the multi-start feature<br>D:higher recovering speed

The spur geared mooring winches have advantages over worm geared ones in（）
A:higher efficiency of the gear train while reversing
B:the higher gear ratio
C:the multi-start feature
D:higher recovering speed

出自：海船船员证

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