Abundent onto the edge Angle grinding their edges and corners.
敲掉身上的棱棱角角打磨自己。
Similar hardness and white fused alumina, white fused alumina than in the high toughness, abrasive cutting edge sharp edges and corners to keep good, high durability.
与棕，白刚玉相比硬度高，韧性大，呈单颗粒球状晶体，具有良好的多棱切削刃，抗破碎较强。
Similar hardness and white fused alumina, white fused alumina than in the high toughness, abrasive cutting edge sharp edges and corners to keep good, high durability.
与棕，白刚玉相比硬度高，韧性大，呈单颗粒球状晶体，具有良好的多棱切削刃，抗破碎较强。
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