Kushandiswa kwakakodzera uye kugadzirisa kwesilicon carbide crucibles kunoita basa rakakosha mukurarama kwavo kwenguva refu uye kushanda. Heano matanho anokurudzirwa ekuisa, preheating, kuchaja, kubviswa kwe slag, uye mushure mekushandisa kugadzirisa kweaya macrucibles. Mu...
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