Alumina (AL2O3) seramiiki bụ seramiiki mmepụta ihe nke nwere isi ike dị ogologo, na-eyi ogologo, na enwere ike ịmepụta ya naanị site na igwe diamond.A na-emepụta ya site na bauxite ma mechaa ya site na ịkpụzi injection, ịpị, sentering, egweri, sentering na machining.Alumina (AL2O3) nke...
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