【单项选择题】
Worm geared automatic mooring winches are () as the multi-start feature reduces the advantage of worm gear iethe high gear radio.
A、A.popular
B、B.common
C、C.in lead position
D、D.uncommon
A、A.popular
B、B.common
C、C.in lead position
D、D.uncommon
A、higher efficiency of the gear train while reversing B、the higher gear ratio C、the multi-start feature D、higher recovering speed
A、Worm that part of the line B、Splice that part of the line C、Cover it with chafing gear D、Install a cleat