画法几何 huàfǎjǐhé descriptive geometry Definitions Defs Origin Strokes Stroke Words Sentences Sents 画法几何 畫法幾何 huàfǎjǐhé descriptive geometry three-dimensional geometry using projections and elevations
画法几何 畫法幾何 huàfǎjǐhé descriptive geometry three-dimensional geometry using projections and elevations
