... roasting in air 氧化焙烧 roasting of sulfide ores 硫化矿焙烧 Robinson bridge 鲁宾逊电桥 ...
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短语
铜精矿硫酸化焙烧
sulphating roasting of copper concentrate
硫铁矿氧化焙烧
oxidized roasting of pyrite
硫铁矿磁化焙烧
magnetized roasting of pyrite
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