变压器负载运行时二次电压变化率随着负载电流增加而增加。（   ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69323' and id < 4487991 and id<>'4487991' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69323' and id > 4487991 and id<>'4487991' order by id asc limit 5