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
单项选择题 An inflatable liferaft is hand-launched by（）.
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（）.
单项选择题 After launching，an inflatable raft should be kept dry inside by（）.
