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Directory of 工业矿产 Resources

Home > World > Chinese Simplified > 商业 > 采矿与钻探 > 矿产勘探与开采 > 工业矿产

公司涉及提炼和加工工业矿物,其中通常包括磷,石膏,盐,钾,亚硝酸盐,石灰,粘土,石材,沙和砾石。

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