White corundum imapangidwa kuchokera ku alumina ufa wapamwamba kwambiri ndi smelting yamagetsi.Ili ndi mtundu woyera, kuuma kwakukulu, kulimba kwapansi, kuyera kwambiri, kudzinola bwino kwambiri, mphamvu yopera, mtengo wotsika wa calorific, kuyendetsa bwino ...
Werengani zambiri