在单相变压器（        ）的铁芯上绕有两个互相绝缘的绕组

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68477' and id < 4421289 and id<>'4421289' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68477' and id > 4421289 and id<>'4421289' order by id asc limit 5