[单选题]出线断路器检修,切断电路时,断开断路器后,应( )。(每题0.5 分)(0.5)
发布时间:2025-11-29
A.先断开出线侧隔离开关,再断开母线侧隔离开关
B.先断开母线侧隔离开关,再断开出线侧隔离开关
C.两侧隔离开关同时断开
D.以上三种方式都可以
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