Through contrast, analysis, expounding and proving several machining methods for both space plane of front car housing from technical and economic angle gains the optimum processing plan.
针对前桥壳体的两个空间平面的加工问题，从技术和经济的角度，时比、分析、论证多个加工方法，获得较佳工艺方案。
By means of spherical graphics and plane trigonometry, space angle and space point coodinates are calcullated for three sets of combined fixtures as examples.
运用球面图法及平面三角法，计算了三种组合夹具实例的空间角度及空间点的坐标。
This paper provides a new construction method used when the horizontal projection of the plane Angle is equal to its space Angle.
本文提出平面角的水平投影与其空间角相等时新的作图方法。
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