单项选择题

（） systems are provided with a stand-by device which will automatically be put in use in the even of the running device failing through a fault condition.

A.Alarm
B.Monitoring
C.Auto start-up
D.None of the above

点击查看答案&解析

上一题目录下一题

单项选择题

A.make-up
B.desired value
C.deviation
D.set value

单项选择题

A.the bridge officer on watch
B.the chief engineer
C.the duty engineer
D.the duty motorman

单项选择题

A.open
B.open front type
C.live front type
D.None of the above