平均富集(浓缩)度
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average enrichment factor 平均富集系数
average enrichment coefficients 平均富集系数
Texture Type of Ore. Because of intensive epegenetic enrichment, the average content of Gallium in honeycomb structure is higher than that in pisolitic, oolitic structure and massive structure.
从矿石结构类型来看，蜂窝状矿石中的镓品位明显高于豆、鲕状和致密状矿石。
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