... 碱性平炉basic open-hearth furnace 碱性熔铁炉basic cupola 碱性熔渣basic slag ...
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It is feasible to use oxygen injecting into hearth of cupola and cupola with basic lining in some location.
应用冲天炉炉缸喷氧技术和局部碱性冲天炉是可行的；
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