Isingeniso Somkhiqizo: 1, i-Junda chrome corundum iyi-alumina powder njengezinto eziyinhloko zokusetshenziswa, ezivumelanisa ne-chromium oxide, ezincibilikiswa yi-arc furnace eshisa kakhulu. 2, umbala upinki, ubulukhuni kanye ne-corundum emhlophe kufana, ukuqina kuphakeme kune-corundum emhlophe. Ama-abrasives akhiqizwayo anophawu...
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