人类胚胎期的主要血红蛋白是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24548' and id < 2107576 and id<>'2107576' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24548' and id > 2107576 and id<>'2107576' order by id asc limit 5