这种方法省时、省力、易掌握，是一种较实用的齿轮建模方法。

This method is a practical modeling method for gear, with many advantages such as saving time, operating easy and so on.

youdao

这种方法省时、省力、易掌握，是一种较实用的齿轮建模方法。

This method is a practical modeling method for gear, with many advantages such as saving time, operating easy and so on.

youdao