“direct-reduction ironmaking”的概念、定义、翻译、参考文献-科学参考

单词	direct-reduction ironmaking
释义	direct-reduction ironmaking Encyclopedia 工学直接还原炼铁法释 direct-reduction ironmaking直接还原炼铁用气体、液体或固体还原剂在低于矿石软化温度下，将铁矿石还原成金属铁的非焦炼铁工艺。其产品称直接还原铁，是生产优质钢和洁净钢的理想原料。直接还原铁有大量微气孔，在显微镜下观察形似海绵，所以也称为海绵铁。用球团矿制成的海绵铁也称为金属化球团。
随便看	Water Resources and Hydropower Engineering water resources assessment water resources carrying capacity Water Resources Development and Management water resources development and utilization water resources development and utilization management Water Resources Development Research Water Resources & Hydropower of Northeast China water resources in China Water resources informatization Water Resources Informatization Specialized Committee water resources in the world water resources investigation and assessment water resources management water resources of China water resources optimal allocation water resources payment water resources planning water resources planning and design water resources protection water resources protection forest water resources scheduling water resources value accounting water resources zoning water resource tax

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