题目内容
注射液过滤除菌采用微孔滤膜的孔径为
2021-10-14
A.0.5μm
B.0.5μm和5μm
C.0.65～0.8μm
D.0.25μm
E.0.3μm或0.22μm
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='25716' and id < 2161944 and id<>'2161944' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25716' and id > 2161944 and id<>'2161944' order by id asc limit 5