炼铁精料
beneficiated burden for ironmaking
12CaO.7Al2O3精炼渣
12CaO·7Al2O3 refining slag
300 t转炉-RH精炼
300 t Converter- RH Refining
Al2O3CaO基精炼渣
Al 2O 3-CaO Base Refining Slag
CaO-A12O3基精炼渣
CaO-A12O3 Based Refining Slag
CaO-SiO2-MgO-Al2O3精炼渣
CaO-SiO2-MgO-Al2O3 Refining Slag