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fire assay
释义
fire assay
Encyclopedia
理学
【基本概念】
释
fire assay
火试金法
通过熔融、焙烧等方法测定矿物或金属制品中金、银等贵金属含量的方法。
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plating coating material of precious metal
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plating production line
platinic
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platinum group element
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