已经有次观看 wencong在2015-07-09发布
简介：China Jiangxi first discovered ionic rare earth mine in metamorphic rocks weathering crust, deposit of medium-sized. This new discovery, and further enrich the weathering crust ionic deposit types, greatly widened the field of this type of rare earth ore mine, the province and the country looking for the same type of deposit has an important guiding significance.
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