为了测取变压器的短路参数，试验时应调节（   ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69442' and id < 4497102 and id<>'4497102' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69442' and id > 4497102 and id<>'4497102' order by id asc limit 5