coarse diamond point knurling roll

... rhombic knurling 菱纹滚花 coarse diamond-point knurling roll 粗金刚钻压花滚刀 diamond pattern knurling 金刚石滚花 ...

英语单词roll... ... coarse rolls 粗碾辊 coarse diamond-point knurling roll 粗金钢钻压花滚刀 coating roll 涂料辊 ...