The content of CaF_2 and alkali metal(Na_2O+K_2O) in the special slag of Baotou Iron and Steel(Group)Company was close to 2.52% and 0.19% respectively,which belongs to the slag of low fluorine and low alkali metal.是什么意思_The content of CaF_2 and alkali metal(Na_2O+K_2O) in the special slag of Baotou Iron and Steel(Group)Company was close to 2.52% and 0.19% respectively,which belongs to the slag of low fluorine and low alkali metal.在线翻译_英语_读音_用法_例句