单项选择题
A.preparation for stand-by should be organized by engine room
B.engine trails should be agreed with bridge, and then do it
C.As to engine trials of the twin diesels and two propellers, the two diesels should use “slow ahead” at the same time
D.After engine trials, the handle of the engine telegraph should be put in the “stop” position
单项选择题 When the ship in the condition of stand-by and engine trials, usually put the engine telegraph in the （） position.
单项选择题 One hour before sailing, the duty engineer and officer should check （）
单项选择题 When stand-by before sailing, the duty engineer and officer should check clock, engine telegraph and rudder, and then write it in the （）