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钢铁冶金原料
met.
raw materials for ironmaking and steelmaking
(【技】冶炼钢、铁用的原材料,主要有铁矿石、锰矿石、含铁废料及熔剂等。随着钢铁工业的发展,矿物资源中的富铁矿日趋枯竭,贫铁矿资源相继被开发和利用,制成铁精矿,进而生产出人造富矿。根据原料条件和加工方法的不同,人造富矿包括烧结矿和球团矿两种,现已成为现代钢铁冶金的主要原料。)
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