题目内容
备牙时，车针沿着何种方向切割效率最高
2021-11-10
A.与釉柱方向垂直
B.与釉柱方向平行
C.与釉柱排列方向成45°
D.与釉柱排列方向成30°
E.与轴柱排列方向成60°
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='27667' and id < 2278697 and id<>'2278697' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27667' and id > 2278697 and id<>'2278697' order by id asc limit 5