过电流保护的动作电流是10A，返回系数是0.8A，当电流为（  ）时，过电流保护一定能返回。（0.5分）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69421' and id < 4494896 and id<>'4494896' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69421' and id > 4494896 and id<>'4494896' order by id asc limit 5