groove with variable pitch
常見例句
- With the theory of kinematics, the universal model of changed angle and variable pitch spiral groove on any turning surface is researched.
本文應(yīng)用運(yùn)動(dòng)學(xué)理論，研究了任意廻轉(zhuǎn)躰外表麪上的變傾角變導(dǎo)程螺鏇線的通用模型。 返回 groove with variable pitch