副卷筒只能用于系泊时绞缆。

Vice-roll can only be used for wring when the ship moors.

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快速脱缆钩主要由脱缆机构及绞缆机构组成。

Quick cable-releasing hook mainly consists of cable-releasing mechanism and cable-winding mechanism.

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舵机(锚机、绞缆机)液压系统安全装置调整。

Adjusting safety device for hydraulic system of steering gear (windlass, mooring winch).

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