[单选题]运行转冷备用的步骤是( )①断开断路器;②断开负荷侧隔离开关;③断开母线侧隔离开关。(每题0.5分)(0.5)
发布时间:2025-12-01
A.123
B.132
C.321
D.231
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69429' and id < 4496169 and id<>'4496169' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69429' and id > 4496169 and id<>'4496169' order by id asc limit 5
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