单项选择题
A.the floating-free method only
B.breaking the weak link on the painter
C.throwing the entire container overboard and then pulling an the operating
D.removing the securing straps
单项选择题 An inflatable life raft is hand-launched by（）.
单项选择题 An inflation life raft is thrown into the water from a sinking vessel, what occurs automatically after the painter trips the C02 bottles to inflate the raft?（）.
单项选择题 An inflation life raft should be lifed back aboard the ship by using（）.