工程图学 gōngchéngtúxué engineering graphics Definitions Defs Origin Strokes Stroke Words Sentences Sents 工程图 工程圖 gōngchéngtú engineering drawing engineering graphics or a technical drawing for a project; blueprint学 學 xué nounaffix branch of learning (bound form) a subject or branch of study; often used as a suffix for -logy, -ics, or -science