精选优质文档-倾情为你奉上工程图常用英语Bilingual Engineering Terminology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 projection 侧面投影面profile plane of projection 投影图projection drawing 三面投影图three-plane projection drawing 投影轴axis of projection 投影特性characteristic of projection 不变性characteristic of true 积聚性characteristic of concentration
