慢性支气管炎伴小气道阻塞时，最早出现的肺功能改变是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29190' and id < 2375057 and id<>'2375057' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29190' and id > 2375057 and id<>'2375057' order by id asc limit 5