利用这套程序制作图件，不仅可成倍提高工效而且可以提高制图精度。

Not only the drawing effectiveness, but also the drawing accuracy can be greatly raised with this program.

youdao

利用这套程序制作图件，不仅可成倍提高工效而且可以提高制图精度。

Not only the drawing effectiveness, but also the drawing accuracy can be greatly raised with this program.

youdao