纠正预防措施、（）是对过程控制运行情况的监督。
参考答案：投诉申诉
As a vessel sinks to a depth of 15 feet, the hydrostatic trip releases the life raft container from its cradle by（）.
A.breaking the weak link
B.releasing the tie-down strap
C.pulling the operating cord
D.releasing the CO2 canister
