自耦变压器只能用在中性点直接接地电网中。（  ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69485' and id < 4500713 and id<>'4500713' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69485' and id > 4500713 and id<>'4500713' order by id asc limit 5