• 磁黄铁矿特征可以作为寻找评价金矿指示标志

    The typomorphic characteristics of pyrrhotite can be regarded as indicator of prospecting and evaluating for gold deposit.

    youdao

  • 磁黄铁矿特征可以作为寻找评价金矿指示标志

    The typomorphic characteristics of pyrrhotite can be regarded as indicator of prospecting and evaluating for gold deposit.

    youdao

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