cad 绘图中常用英语对照 投影 projection 投影中心center of projection 投影面projecting plane 投影线projecting line 中心投影法perspective projection 平行投影法parallel projection 斜投影oblique projection 正投影orthographic projection 正投影面frontal plane of pro...

时间:2025-01-28 01:11栏目:行业资料