题目内容
下列哪种滤器能用于分子分离
2021-10-25
A.砂滤棒
B.垂溶玻璃滤器
C.超滤膜
D.微孔滤膜
E.板框滤器
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='26404' and id < 2206414 and id<>'2206414' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26404' and id > 2206414 and id<>'2206414' order by id asc limit 5