同步发电机的气隙一般比异步电动机气隙要大些。（   ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69508' and id < 4502994 and id<>'4502994' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69508' and id > 4502994 and id<>'4502994' order by id asc limit 5