[本科]在外部故障伴随通道失效时，超范围允许跳闸式保护必定误动作。（  ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69487' and id < 4500972 and id<>'4500972' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69487' and id > 4500972 and id<>'4500972' order by id asc limit 5