计算机辅助设计(CAD)是现代工程及产品设计的先进技术，在工业各领域有着广泛的应用和重要的推广价值。
Computer Aided design (CAD) is an advance technology of modern engineering and product design. CAD has an important value and is applied widely in all fields of industry.
计算机辅助设计(CAD)是现代工程及产品设计的先进技术，在工业各领域有着广泛的应用和重要的推广价值。
Computer Aided design (CAD) is an advance technology of modern engineering and product design. CAD has an important value and is applied widely in all fields of industry.
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