实验研究证明在氧化性气氛中，在一定温度下含碳球团能够快速直接还原。
The laboratorial tests have illustrated that the carbon-containing pellets can be quickly reduced at the high temperatures under oxidizing atmosphere.
本文研究内配煤铁矿团块在高温下快速自还原直接得到金属铁颗粒的方法。
The way of extract iron from iron briquette by coal under high temperature has studied.
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