电力系统同一点发生不同类型短路故障时，按照故障处正序电压从高到低的短路类型排列顺序是(    )。  

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69462' and id < 4498638 and id<>'4498638' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69462' and id > 4498638 and id<>'4498638' order by id asc limit 5