弱磁性矿石选矿 beneficiation of weakly magnetic minerals
难选弱磁性铁矿石 Refractory weak magnetic iron ore
弱磁性矿石
Weakly magnetic ore
以上为机器翻译结果，长、整句建议使用 人工翻译 。
矿石工业类型为需选弱磁性铁矿石，主要成因类型为磁铁黑云片岩型、磁铁变粒岩型。
Its industrial types of ore bodies are weak magnetic type which should be chosen. Its ore-forming types are magnetic biotite schist and magnetic granulite type.
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