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The clutch band of a constant tensioning mooring winch must be set up tight enough to drive the winch drum and should slip only when （）.

A、excessive loads are placed on the winch

B、minimum pull is being exerted by the winch

C、automatic operation of the winch is desired

D、wire is being retrieved at the maximum rate

时间：2022-01-05 21:25 关键词： 船舶电气与船舶安全

答案解析

A