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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。
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grey scale for assessing change in color
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grey-scale map
grey seabream
grey side-gilled sea slug
grey situation decision making
grey system
grey system method
grey system theory
grey target
grey target decision making
grey theory
grey tin
greywacke
GRE考试
GRG
Gribov ambiguity
GRID
grid
grid approximation
grid architecture
grid azimuth
grid-based method
grid bias
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