[单选题]一台6极50Hz的三相异步电动机，当s=0.025时，电动机的转速和同步速分别为（   ）。(每题 0.5分)（0.5）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69422' and id < 4495061 and id<>'4495061' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69422' and id > 4495061 and id<>'4495061' order by id asc limit 5