电动机定额工作制分为（）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27220' and id < 2260229 and id<>'2260229' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27220' and id > 2260229 and id<>'2260229' order by id asc limit 5