题目内容
残留有机溶剂的检查,对应的选择为
2021-10-18
A.GC
B.TGA
C.可见分光光度法
D.比浊度法
E.五氧化二磷减压干燥法
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='26018' and id < 2183671 and id<>'2183671' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26018' and id > 2183671 and id<>'2183671' order by id asc limit 5