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直接还原铁
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直接还原铁
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直接还原炼铁法
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direct-reduction iron
直接还原铁
以铁矿石块矿或精矿粉球团为原料,在低于炉料熔点的温度下,以气体(CO、H2)或固体炭(煤或焦炭)做还原剂,以直接还原法生产的金属铁产品。
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dome-shaped kiln
Domestic Animal Endocrinology
domestic animal environmental testing
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domesticated wild variety of grass plant
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domestic express mail service in China
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Domestic New Film Exhibition Month
domestic-oriented bilingual dictionary
domestic price policy of agricultural products
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