题目内容
灌石膏模型前,在孤立牙处插人小竹签的目的是
2021-12-23
A.加强石膏牙强度
B.方便脱模
C.便于灌模
D.避免孤立牙产生气泡
E.有利于上下颌模型准确对合
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='30044' and id < 2433801 and id<>'2433801' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30044' and id > 2433801 and id<>'2433801' order by id asc limit 5