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；

youdao

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；

youdao