投影线 tóuyǐngxiàn projection line Definitions Defs Origin Strokes Stroke Words Sentences Sents 投影线 (投影線) tóuyǐngxiàn projection line noun A line used in geometry or technical drawing to project a point onto a plane or surface. Sources Definitions CC-CEDICT
投影线 (投影線) tóuyǐngxiàn projection line noun A line used in geometry or technical drawing to project a point onto a plane or surface. Sources Definitions CC-CEDICT
