profile modification gear

• 修形齿轮

profile modification gear的用法和样例：

例句

1. The paper inquires into the rules of formation of the tooth surface of a crowned gear on conjugate hobbing.
   就共轭滚切鼓形齿轮时其齿面形成的规律进行了探讨，成功地解决了三自由度啮合的鼓形齿面求解问题。