研磨石，抛光石，抛磨石，滚磨石，树脂研磨石，塑胶研磨石，高铝瓷研磨石，高频瓷研磨石，棕刚玉研磨石，碳化硅研磨石，钢球，***，圆球形研磨石，三角形研磨石，圆柱形研磨石，斜三角研磨石，振动研磨石，滚动研磨石，)