题目内容
吸入粉雾剂中的药物微粒,大多数应在多少μm以下
2021-10-14
A.10μm
B.15μm
C.5μm
D.2μm
E.3μm
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='25707' and id < 2160971 and id<>'2160971' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25707' and id > 2160971 and id<>'2160971' order by id asc limit 5