Read Edit View history 正投影 zhèngtóuyǐng orthogonal projection Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 正投影 · zhèngtóuyǐng · orthogonal projection 2026/03/04 正投影 zhèngtóuyǐng orthogonal projection orthogonal projection 这张建筑图纸采用的是正投影。 created sense Mar 4, 2026, 02:25 AM