单项选择题
A.the emergency lighting system for muster and abandon ship
B.air oil emergency shut-down
C.ME emergency operation
D.main auxiliary steering gear changing
单项选择题 According to the ship emergency plan, when average accident happened and the captain made the decision to withdraw from the engine room before leaving the engine room, the wrong operation is that （）
单项选择题 The SOLAS convention prescribes that the emergency steering drill should be carried out one time every （） months.
单项选择题 According to the SOLAS convention, the bilge water system （）