本文分析了用单刃螺纹刀来加工螺纹的方法。

This paper analyzes the method of processing thread with the knife with single blade screw thread.

youdao

本文分析了用单刃螺纹刀来加工螺纹的方法。

This paper analyzes the method of processing thread with the knife with single blade screw thread.

youdao