变压器二次侧额定电压应较线路额定电压高(  )。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69509' and id < 4503085 and id<>'4503085' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69509' and id > 4503085 and id<>'4503085' order by id asc limit 5