玻利维亚文托(Vinto)炼锡厂用感应加热蒸馏法从铁砷渣生产粗黑砷(99%)即属此例。
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Empresa Metalurgica Vinto 玻利维亚文托冶金公司
CM Vinto 第六节
barbari dei son vinto rodrigo 艾伦克
Today, even the mines that have survived are operating at maybe half their potential, and the giant Vinto smelting plant at a third.
ECONOMIST: Bolivia
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