介绍了机械CAD样板图的设计方法和技巧，提高了绘图效率。

The designing method and skills on mechanical CAD template are introduced and the drawing efficiency is improved.

youdao

介绍了机械CAD样板图的设计方法和技巧，提高了绘图效率。

The designing method and skills on mechanical CAD template are introduced and the drawing efficiency is improved.

youdao