分离挥发油（乙醚中）的酚性成分宜选用

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30303' and id < 2450365 and id<>'2450365' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30303' and id > 2450365 and id<>'2450365' order by id asc limit 5