当发生故障且断路器拒动时，应该用上一级线路的远后备动作切除故障(   )

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69493' and id < 4501575 and id<>'4501575' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69493' and id > 4501575 and id<>'4501575' order by id asc limit 5