单选题A diesel driven emergency generator is prevented from being paralleled with the ships service generators by （）Aan electrical interlock systemBan automatic paralleling trip switchCthe synchronizing oscilloscopeDthe reverse current relay
单选题
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
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