改变转子电阻调速这种方法只适用于绕线式异步电动机。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27223' and id < 2260130 and id<>'2260130' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27223' and id > 2260130 and id<>'2260130' order by id asc limit 5