Worm geared automatic mooring winches are （） as the multi-start feature reduces the advantage of worm gear iethe high gear radio.<br>A:popular<br>B:common<br>C:in lead position<br>D:uncommon

Worm geared automatic mooring winches are （） as the multi-start feature reduces the advantage of worm gear iethe high gear radio.
A:popular
B:common
C:in lead position
D:uncommon

出自：海船船员证

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