“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	Gold Trade Project Gold Triangle Belt gold ware from the Tomb of Marquis Yi of the Zeng State gold ware from the Tomb of the Zhongshan King under the Han Dynasty gold wasp Gold-wefted Brocade gold-wefted brocade of the Yuan Dynasty gold-worked gold-woven silk breast protector with plum and phoenix patterns "Gold Yuan" Certificate golf golf ball golf course golf course turf Golfo de Ancud Golfo de California Golfo de Darién Golfo de Fonseca Golfo de Penas golf of Summer Special Olympics golf tourism golf trousers Golgi apparatus golgi apparatus Golgi body

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