computer Aided Design CAD 電腦輔助繪圖
https://sites.google.com/nsysu.kksh.kh.edu.tw/engineering-design-project/cad-%E9%9B%BB%E8%85%A6%E8%BC%94%E5%8A%A9%E7%B9%AA%E5%9C%96
短網址 https://tinyurl.com/mtmnu3zb