钢铁是应用广泛的�属材料.1炼铁的主要原理是在高温下用一氧化碳将铁从铁矿石里 出来.2工业炼铁的原料是铁矿石焦炭 空气 Template




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tomski钢铁是应用广泛的�属材料.1炼铁的主要原理是在高温下用一氧化碳将铁从铁矿石里 出来.2工业炼铁的原料是铁矿石焦炭 空气 coloring