在中药化学成分的提取过程中，需用到索氏提取器的方法是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29375' and id < 2392614 and id<>'2392614' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29375' and id > 2392614 and id<>'2392614' order by id asc limit 5