下消化道的概念是指

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='19515' and id < 1685351 and id<>'1685351' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='19515' and id > 1685351 and id<>'1685351' order by id asc limit 5