固定式60钴治疗机机头朝一个方向旋转，一般不超过

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29520' and id < 2401129 and id<>'2401129' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29520' and id > 2401129 and id<>'2401129' order by id asc limit 5