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设法把低质高硅铝土矿和非铝土矿类型的铝原料能用于生产是解决矿石资源的迫切问题之一。如果对低质铝土矿进行精选,那么就可以
Finding ways to use low-grade, high-grade silica-alumina and non-bauxite-type aluminum raw materials for production is one of the pressing issues in addressing ore resources. If you choose low-quality bauxite, then you can