boat winch 中文意思是什麼
boat winch
解釋
吊艇絞車-
Five - yearly operational testing should be done by lowering the boat loaded to a proof load of 1. 1times the maximum working load of the winch, or equivalent load
五年度操作測試應該使船裝載超過最大裝載負荷的1 . 1倍或者等於裝載負荷的貨物,然後下沉。 -
All brake linings and bands of life boat winch to be renewed
救生艇吊機所有剎車帶及剎車片換新。 -
Rescue boat winch
救助艇絞車
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