单项选择题
A.Signal indicating a course change B.Distress signal C.Signal of asking to communicate with another vessel D.Signal indicating danger
An inflatable liferaft should be manually released from...
单项选择题An inflatable liferaft should be manually released from its cradle by（）.
A.cutting the straps that enclose the container B.removing the rubber sealing strip from the container C.loosening the turnbuckle on the securing strap D.pushing the button on the hydrostatic release
An inflatable liferaft is hand-launched by（）.A.pulling ...
单项选择题An inflatable liferaft is hand-launched by（）.
A.pulling a cord B.cutting the wire restraining bands C.removing the rubber packing strip D.throwing the entire container overboard
After the boat is at the top of the davit heads，the dav...
单项选择题After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.
A.hoist man B.limit switch C.brake handle D.preventer bar
