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.是什么意思_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.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句