从侧面不同角度切割圆锥，你便会得到不同的椭圆，直到你的切割角度超过圆锥体侧边的角度。
Cutting the cone at various angles gives you various shapes of ellipse. Until the angle of your cut exceeds the angle of the side of the cone.
步进马达调整切刀角度，在产品切割面不平整时，可直接调整切割角度，保证产品品质（可选）
Stepping motor could adjust the angle of the blade directly when the cut surface of the product is unevenness, to make guarantee the product quality.
如果你从侧面不同角度切割圆锥，便会有不同样子的椭圆，除非，直到你的切割角度超过圆锥体侧边的角度。
Cutting thecone at various angles gives you various shapes of ellipse. Until theangle of your cut exceeds the angle of the side of the cone.
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