（） 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.<br>A:Alarm<br>B:Monitoring<br>C:Auto start-up<br>D:None of the above

（） 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

出自：海船船员证

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