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
单项选择题 An inflatable liferaft should be manually released from its cradle by（）.
单项选择题 As a vessel sinks to a depth of 15 feet，the hydrostatic trip releases the liferaft container from its cradle by（）.
