The supplement surface was optimized by 3-D CAD software, and the finite element model for drawing simulation of the crossbeam was established.

应用三维CAD软件对工艺补充部分进行了优化设计，并建立了横梁拉延成形模拟的有限元模型。

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UG is a powerful CAD/CAE/CAM software, especially its 3-D structure modeling function;

UG是一个功能强大的CAD/CAE/CAM软件，其三维结构建模功能尤为突出；

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CAD software and 3-d printers have essentially become a "reset" button for the real world.

CAD软件和三维打印机具有基本上成为一个“复位”按钮的真实世界。

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