立位腹部平片可见膈下游离气体影，首先考虑的是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='28771' and id < 2345828 and id<>'2345828' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28771' and id > 2345828 and id<>'2345828' order by id asc limit 5