不论变压器带什么性质的负载，其负载电压总比空载电压低。（   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69442' and id < 4497149 and id<>'4497149' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69442' and id > 4497149 and id<>'4497149' order by id asc limit 5