The aim of both types is to proide optimal fit both proximally and distally and thereby achiee axial and rotational stability by irtue of their shape.

 
  • 这两种类型的目的都是为了在远近端都获得最佳匹配,从而凭借其形状获得轴向和旋转稳定性。
今日热词
目录 附录 查词历史