Scan Polygon Prism 扫描转镜
The machining precision can be improved and the dimension scope of machining the polygon prism is enlarged by using the proposed compensation method.
采用这种误差补偿方法可以大大地提高车削多面体的精度，扩大车削多面体的尺寸范围。
The striking body is made of metals, stone materials or other hard materials, and the striking body is in the shape of a round ball, a football, a polygon ball, a column or a polygon prism.
撞子是采用金属、石料或其他硬质材料加工制成的，形状为圆球形、橄榄球形、多棱球形、圆柱形或多棱柱形。
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