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crude ore

  • A key to ore dressing of quartz sands includes rude ores of high or low quality, occurrence and distribution of detrimental impurity such as iron and aluminium in size grades of placer deposits.

    石英砂原矿质量优劣,有害杂质赋存状态及其级砂矿中的分布,是决定选矿效果的关键

    youdao

  • A key to ore dressing of quartz sands includes rude ores of high or low quality, occurrence and distribution of detrimental impurity such as iron and aluminium in size grades of placer deposits.

    石英砂原矿质量优劣,有害杂质赋存状态及其级砂矿中的分布,是决定选矿效果的关键

    youdao

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