root bur的意思|示意
美 / ru:t bə: /
英 / rut bɚ /
[医] 根钻
root bur相关短语
1、 bur beggarticks root 狼把草根
root bur相关例句
Objective:To introduce a new prefabricated post-and -core system, a helical drilling bit and a prefabricated post-and -core consisting of a root canal orifice bur which was designed by the author.
目的：介绍一种由螺旋型根管钻、自行设计的根管口台阶状车针、预成桩核组成的预成桩核系统。