检验边框的角度是否被打磨过，确保边框交接处边缘、边缘上侧、边缘下侧必须

检验边框的角度是否被打磨过，确保边框交接处边缘、边缘上侧、边缘下侧必须被打磨过

ผลลัพธ์ (อังกฤษ) 1:

Verify that the border point of being polished to ensure that borders on the edge of the edge of the junction, sides, underside edge must be polished

ผลลัพธ์ (อังกฤษ) 2:

Angle test whether the border is polished, ensure border junction edge, the upper edge of the side edge of the lower side must be polished

ผลลัพธ์ (อังกฤษ) 3:

The angle is polished border inspection, ensure the border junction edge, edge side, side edge must be polished