心主支气管的特点是（  ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27186' and id < 2253243 and id<>'2253243' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27186' and id > 2253243 and id<>'2253243' order by id asc limit 5