对于工频电压升高，以下说法正确的是（）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32668' and id < 2598458 and id<>'2598458' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32668' and id > 2598458 and id<>'2598458' order by id asc limit 5