交流电流表或交流电压表指示的数值是有效值。（   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69494' and id < 4501803 and id<>'4501803' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69494' and id > 4501803 and id<>'4501803' order by id asc limit 5