... 叶蜡石;pyrophyllite 叶蜡石;pyrophyllite;pyrauxite 叶蜡石;印章石;pyrophyllite; pyauxite ...
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On the basis of studying the physical and chemical characteristics of pyrauxite ores, the development direction of the pyrauxite deposit was put for ward.
在对不同矿石类型的物质组成物化性能研究基础上,科学合理地指出了该矿床的开发利用方向。
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