A、A.a short length of line used for temporarily holding another line
B、B.a snatch block for handling a topping lift
C、C.an engine order telegraph
D、D.the brake on a cargo winch
更多“A stopper is（）.”相关的问题
A、will not jam on the mooring line B、is stronger C、is easier to use when under heavy tension D、is safer to use when under heavy tension
A、be a stopper B、shorten a line C、join lines of equal size D、keep a line from passing through a sheave
A、be a stopper B、shorten a line C、join lines of equal size D、keep a line from passing through a sheave
A、be a stopper B、shorten a line C、join lines of equal size D、keep a line from passing through a sheave
A、larger chain stopper B、disc backstopping brake C、hydraulic clutch D、electrical regenerative braking system
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