The majority of automatic mooring winches are spur geared to improve the backward efficiency of the gear train for rendering（）<br>A:spur geared<br>B:screw geared<br>C:worm geared<br>D:belt driven

The majority of automatic mooring winches are spur geared to improve the backward efficiency of the gear train for rendering（）
A:spur geared
B:screw geared
C:worm geared
D:belt driven

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