Ibicuruzwa Kumenyekanisha: 1, Junda chrome corundum ni ifu ya alumina nkibikoresho fatizo nyamukuru, ihuza na oxyde ya chromium, gushonga nubushyuhe bwo hejuru arc itanura. 2, ibara ni umutuku, gukomera hamwe na corundum yera bisa, gukomera birenze corundum yera. Abrasives yakozwe ifite imiterere ...
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