1. Overview "Intersection" refers to a point element formed by a space (planar) line element intersecting with other line elements. "Intersection point coordinates" refers to the position of the intersection point in a given Cartesian coordinate system, and "Intersection point size" refers to the distance from the intersection point to the line plane of other space points. In the machining of mechanical parts, the typical intersection point is the point formed by the intersection of the axis (hole) line and the axis (hole) line, the axis (hole) line and the plane (surface). The more typical intersection is the above intersection or process hole to axis (hole) line or specific flat
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