burr

特殊用法diamond point burr1.金刚石尖点纹fine cut burr1.细纹刻石刀flat bottom burr1.平底刻石器hammer burr1.(手枪手扳处)击锤辊花hand operated burr1.手动刻石锉轮helical burr1.螺纹metal burr(-stone)1.钢磨Noogoora burr1.欧洲苍耳right lead spiral burr1.右螺旋刻石刀spiral burr1.斜纹刻石刀, 螺纹straight burr1.直纹straight (cut) burr1.直纹刻石刀
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