secondary plane of projection辅助投影面

plane of axonometric projection轴测投影面

profile plane of projection侧面投影面;侧投影面

auxiliary plane of projection辅助投影面

vertical plane of projection垂直投影面;[数] 垂直射影平面

frontal plane of projection正投影面;投影面

horizontal plane of projection水平投影面

third plane of projection第三面

plane of projection of cylinder圆柱投影面