Noun:

1. a crane-like device (usually one of a pair) for suspending or lowering equipment (as a lifeboat)

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1. The details of davit or hinge shall be in accordance with Vessel Standard.
   吊柱或铰链的详情应符合容器标准。
2. All sheaves and rollers of life boat davit to be overhauled, cleaned, greased and reassembled.
   所有救生艇吊柱，滚轮，滑车，拆检，清洁，加油并装妥。