Nkọwa zuru ezu nke ihe mkpuchi mkpuchi mkpuchi iri kachasị zuru oke
Ihe mkpuchi mkpuchi okpomọkụ na-ezo aka na refractories nwere nnukwu porosity, obere njupụta dị ala, na ikuku okpomọkụ dị ala, nke a makwaara dị ka refractories dị arọ. Gụnyere ngwaahịa na-eme ka ọkụ na-ekpo ọkụ, eriri ndị na-emegharị ihe, na ngwaahịa fiber na-emegharị ahụ. A...
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