AutoCAD 2020 入门到精通
85小时AutoCAD视频教程，共774个视频，涵盖机械、建筑、室内装饰、园艺等7大类。 适合大学生和计算机辅助设计人员学习！(85 hours of AutoCAD video tutorial, a total of 774 videos, covering seven categories: machinery, architecture, interior decoration, gardening and so on. Suitable for college students and computer-aided designers!)
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