乳剂在贮存过程中，出现分散相粒子上浮或下沉的现象

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30299' and id < 2449915 and id<>'2449915' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30299' and id > 2449915 and id<>'2449915' order by id asc limit 5