A diesel driven emergency generator is prevented from being paralleled with the ships service generators by （）<br>A:an electrical interlock system<br>B:an automatic paralleling trip switch<br>C:the synchronizing oscilloscope<br>D:the reverse current relay

A diesel driven emergency generator is prevented from being paralleled with the ships service generators by （）
A:an electrical interlock system
B:an automatic paralleling trip switch
C:the synchronizing oscilloscope
D:the reverse current relay

出自：海船船员证

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