三对极的异步电动机转速（）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32657' and id < 2596635 and id<>'2596635' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32657' and id > 2596635 and id<>'2596635' order by id asc limit 5