To study RH vacuum refining process, a new mathematical model of circulation flow rate to describe the circulation flow of molten steel in RH vacuum refining degasser was developed.是什么意思_To study RH vacuum refining process, a new mathematical model of circulation flow rate to describe the circulation flow of molten steel in RH vacuum refining degasser was developed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句