converter opening
转换器打开
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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