Steel - Leather
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An intermediate product produced during the refining of sulfide ores containing heavy metals such as copper; an impure sulfide that sinks to the bottom when melted in a blast furnace. Source: About Shogakukan Digital Daijisen Information | Legend |
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銅などの重金属を含む硫化鉱を精錬するときにできる中間生成物で、溶鉱炉で融解すると底に沈む不純な硫化物。
出典 小学館デジタル大辞泉について 情報 | 凡例 |
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