公垂线 gōngchuíxiàn common perpendicular Definitions Defs Origin Strokes Stroke Words Sentences Sents 公垂线 公垂線 gōngchuíxiàn common perpendicular A straight line that intersects two other lines at right angles Cross-References Classifier 条 tiáo
公垂线 公垂線 gōngchuíxiàn common perpendicular A straight line that intersects two other lines at right angles Cross-References Classifier 条 tiáo