流能磨的粉碎原理是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30791' and id < 2479694 and id<>'2479694' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30791' and id > 2479694 and id<>'2479694' order by id asc limit 5