Brown corundum, white corundum or carborundum polishing grinders should be used according to the processes materials.

  • 根据所加工材质,应适当选用棕刚玉 、 白刚玉、炭化硅等磨料成分的滚抛磨具.

  • 网络文摘精选 2025-01-18 11:38:46

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