变压器一次绕组的电压与二次绕组的电压在数值上的关系为（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68476' and id < 4421221 and id<>'4421221' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68476' and id > 4421221 and id<>'4421221' order by id asc limit 5