auto cad drawing software autocad绘图软件
CAD Drawing Software Practice CAD制图软件实践
auto cad drawing software package autocad绘图软件包
Make drawing using CAD software 使用CAD软件绘图
Now , 2D CAD drawing software is very prevalent , but which has many limits in exhibition of 3D objects.
目前二维CAD绘图软件的使用已相当普遍，但二维图形表示三维物体存在许多局限性。
The paper introduces CAD system of steel tube cold drawing process which is a software with optimum function developed by Iron & steel General Institute on basis of computer imitation technology.
介绍了北京钢铁研究总院采用计算机仿真技术与计算机辅助设计技术，开发出具有优化功能的钢管冷拔过程CAD系统通用软件。
Good knowledge of drawing software, CAD, mechanical drawings etc.
熟悉制图软件、CAD、技术类制图等。
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