Please stand by engine before 1415.
A.We can stop the engine after 1415
B.The main engine can be started for navigation at about 1415.
C.Preparation for sailing will be finished before 1450.
D.Stand-by engine will be finished at 1450.
正确答案是B
Please stand by engine before 1415.
A.We can stop the engine after 1415
B.The main engine can be started for navigation at about 1415.
C.Preparation for sailing will be finished before 1450.
D.Stand-by engine will be finished at 1450.
正确答案是B