在牙的发育阶段，服用过量的四环素类药物，使牙着色的是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29529' and id < 2402141 and id<>'2402141' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29529' and id > 2402141 and id<>'2402141' order by id asc limit 5