题目内容
圆锥形套筒冠固位体金属材料首选
2021-11-10
A.高含金量合金
B.铜基合傘
C.钛合金
D.镍铬合金
E.钴络合金
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='27678' and id < 2279061 and id<>'2279061' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27678' and id > 2279061 and id<>'2279061' order by id asc limit 5