题目内容
(请给出正确答案)
[主观题]
When the engine room is put in standby condition, the engineer in charge of the watch need not to __________ .
A.ensure all machinery which may be used during maneuvering is in ready
B.ensure an adequate reserve of power is available for steering gear and other requirements
C.keep the main propulsion unit controls continuously attended when in the manual mode of operation
D.ensure all machinery which may be used during maneuvering is running stably
提问人:网友xuming1987
发布时间:2022-01-07