同步发电机的转子磁场是（）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32656' and id < 2596421 and id<>'2596421' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32656' and id > 2596421 and id<>'2596421' order by id asc limit 5