变压器二次绕组短路，一次绕组施加电压使其电流达到额定值时，变压器从（        ）的功率称为短路损耗。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68477' and id < 4421291 and id<>'4421291' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68477' and id > 4421291 and id<>'4421291' order by id asc limit 5