Dawb corundum abrasive, tseem hu ua dawb txhuas oxide, muaj thermal stability, siab kub tsis kam siab tshaj 1750 degrees, siab purity, zoo self-sharpening, muaj zog sib tsoo muaj peev xwm, tsawg calorific nqi, high efficiency thiab acid-base corrosion kuj. Nws tau ua pov thawj nws tus kheej hauv ntau ...
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