问题
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Mooring winches are often combined with _____ units so that one prime mover drives both.
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In the constant-tension mooring, the mooring lines holding the ship to the pier will maintain a constant tension even with changes in tide or ship’s draft, ______.
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Worm geared automatic mooring winches are ____ as the multi-start feature reduces the adva
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_____ are used for cargo handling.A.CranesB.Mooring winchesC.WindlassesD.Foreman
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水上迫降成功后,原则上最后撤离飞机的救生船应该是_____。A.L1门救生船B.承载特殊乘客的救生船C.R
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A320飞机滑梯/救生船转移过程中,使滑梯包与连接绳索断开的方法是______。A.向外搬动连接器B.向内
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