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介绍了在微机通用软件平台上，基于三维参数化特征造型技术和产品数据管理技术开发的拉伸模ＣＡＤ系统及三维装配图的生成原理。
This paper introduces the generation principle of drawing die CAD system and 3D assembly drawing based on 3D parametric feature modeling technology and product data management technology on microcomputer common software platform.