Isingeniso somkhiqizo: 1, junda Chrome Corundum yi-alumina powder njengento ebalulekile eluhlaza, ukuzivumelanisa ne-chromium oxide, ukunqwabelana ngesithando esishisa kakhulu se-arc. 2, umbala upinki, ubulukhuni kanye ne-corundum emhlophe efanayo, ubulukhuni buphakeme kune-corundum emhlophe. Ukuvezwa okukhiqizwayo kune-charac ...
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