与一相断线故障复合序网形式上相同的短路故障是(    )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69497' and id < 4501950 and id<>'4501950' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69497' and id > 4501950 and id<>'4501950' order by id asc limit 5