革兰阳性菌与阴性菌细胞壁共有的化学成分是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24326' and id < 2099235 and id<>'2099235' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24326' and id > 2099235 and id<>'2099235' order by id asc limit 5