Ob leeg calcium thiab silicon muaj kev sib raug zoo rau cov pa oxygen.Calcium, tshwj xeeb tshaj yog, tsis tsuas yog muaj kev sib raug zoo nrog oxygen, tab sis kuj muaj kev sib raug zoo nrog leej faj thiab nitrogen.Silicon-calcium alloy yog ib qho zoo tagnrho cov nplaum nplaum thiab desulfurizer.Kuv ntseeg tias cov neeg nyob hauv steelmaking ...
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