（ )是实现生产自动化的主要手段。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29906' and id < 2425456 and id<>'2425456' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29906' and id > 2425456 and id<>'2425456' order by id asc limit 5