同步发电机的短路比越大，电机性能越好。（   ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69469' and id < 4499054 and id<>'4499054' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69469' and id > 4499054 and id<>'4499054' order by id asc limit 5