在母联或分段断路器故障后会造成严重停电事故的接线有(  )。（2.0）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69414' and id < 4494350 and id<>'4494350' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69414' and id > 4494350 and id<>'4494350' order by id asc limit 5