“hot metal pretreatment of niobium exaction”的概念、定义、翻译、参考文献-科学参考

单词	hot metal pretreatment of niobium exaction
释义	hot metal pretreatment of niobium exaction Encyclopedia 工学铁水预处理释 hot metal pretreatment of niobium exaction铁水预处理提铌铁水在进入炼钢炉之前，将铁水中铌氧化成铌渣，从铁水中分离出来的铁水预处理技术。
随便看	proportional sampling proportional selection proportional sequence proportional stratified sampling proportional subclass number proportional trapping proportional valve proportional variable proportion by addition proportion by addition and subtraction proportion by alternation proportion by subtraction proportioner proportion of nonconforming items proportion of piped onto premises proportion of soil erosion control proportion of wind and solar power generation in electricity production proportion relationship between accumulation and consumption proportion relationship between two-major parts of social production proportion with equal means proposal proposals for the integrated logistics support of aircraft materiel proposed intake proposed ruling proposed solutions to engineering problems

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