A、hoist man
B、limit switch
C、brake handle
D、preventer bar
更多“After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.”相关的问题
A、the painter B、the after boat fall only if the boat is waterborne C、both falls at the same time only if the boat is waterborne D、both falls at the same time even if the boat has not reached the water
A、before the boat is lowered from the stowed position B、as the boat-fall blocks break clear of the davit head C、before the boat is lowered from the embarkation level D、after the boat is released into the water
A、before the boat is lowered from the stowed position B、as the boat fall blocks break clear of the davit head C、before the boat is lowered from the embarkation level D、after the boat is released into the water
A、before the boat is lowered from the stowed position B、as the boat fall blocks break clear of the davit head C、before the boat is lowered from the embarkation level D、after the boat is released into the water
A、Before the boat is lowered from the stowage position B、As soon as the boat-fall blocks clear the davit head C、After the limit switch is activated D、After all people have been embarked
A、Before the boat is lowerd from the stowage position B、As soon as the boat-fall blocks clear the davit head C、After the limit switch is activated D、After all people have been embarked
A、after the point is reached at which the failures begin to increase rapidly B、before the point is reached at which the failures begin to increase rapidly C、before the point is reached at which the failures begin to increase slowly D、after the point is reached at which the failures begin to increase slowly
A、inserted each time before the booms are cranked out B、periodically removed for inspection and lubricated C、replaced at each inspection for certification D、in the locked position after the boat is cradled and griped down
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