The stone after the above several processes to complete after grinding, engraving button to button.
石章经过以上几道工序磨制完成后，有钮的才进行雕钮。
Seam surface defect after grinding or thickness is lower than base material after mechanical treatment.
打磨焊缝表面缺陷或机械损伤后的厚度小于母材的厚度。
Finally, after diamond mortar powder grinding polishing, to complete.
最后再经过金刚砂浆粉磨擦打光，才告全部完成。
After carburizing with high wear resistance, but the grinding easy to crack.
渗碳淬火后具有较高的耐磨性能，但磨削时易产生裂纹。
The smallest single piece that results after grinding powder chip.
在研磨后最小的单个粒子。
The smallest single piece that results after grinding powder chip.
在研磨后最小的单个粒子。
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