It can economize oil nitrogen gas as well as make full use of recovery steam to use steam to bake the fire in the converter cover opening.
转炉氧枪口采用蒸汽封火，既节约有油氮气，又利用回收蒸汽。
It can economize oil nitrogen gas as well as make full use of recovery steam to use steam to bake the fire in the converter cover opening.
转炉氧枪口采用蒸汽封火，既节约有油氮气，又利用回收蒸汽。
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