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介绍我国主要磷矿区资源贫化趋势,对原因进行了分析。并针对低品位磷矿及伴生资源进行综合利用,提出了一些技术与政策思路。
Describe the trend of resource depletion in China’s major phosphate mining areas, and analyze the reasons. And for low-grade phosphate rock and associated resources for comprehensive utilization, put forward some technical and policy ideas.