This paper reviews the N2-pressuried smelting technology of high nitrogen steel and describes the method of big smelting bath(BSB) which is suitable for smelting high nitrogen steel in mass production under pressure.是什么意思_This paper reviews the N2-pressuried smelting technology of high nitrogen steel and describes the method of big smelting bath(BSB) which is suitable for smelting high nitrogen steel in mass production under pressure.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句