Read Edit View history 电脑辅助设计与绘图 diànnǎofǔzhùshèjìyǔhuìtú CADD Origin Definitions Defs Strokes Stroke Words Sentences Sents 电脑辅助设计与绘图 電腦輔助設計與繪圖 diànnǎofǔzhùshèjìyǔhuìtú CADD computer-aided design and drawing