三维实体造型，是计算机辅助设计在机械设计领域的重要应用。

D solid modeling is the important application of Computer Aided design in the field of mechanical design.

youdao

三维实体造型，是计算机辅助设计在机械设计领域的重要应用。

D solid modeling is the important application of Computer Aided design in the field of mechanical design.

youdao