单项选择题
A.stand by B.slow ahead C.slow astern D.B or C
One hour before sailing, the duty engineer and officer ...
单项选择题One hour before sailing, the duty engineer and officer should check （）
A.tachometer and engine telegraph B.oil and water reserves C.clock and engine telegraph and test the rudder D.crews
When stand-by before sailing, the duty engineer and off...
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 （）
A.engine room logbook B.voyage logbook C.engine room logbook or voyage logbook D.engine room logbook and voyage logbook
（） is (are) not power supplied by main switchboard dire...
单项选择题（） is (are) not power supplied by main switchboard directly.
A.Steering gear and windlass B.Navigation light and radio power panel C.Navigation device power box D.Daily fresh water pump
