论文部分内容阅读
贵州开阳磷矿矿务局位于贵州腹地。1958年开始建矿,现已具有年产磷矿石一百余万吨的生产能力,为我国化学工业重点大型矿山之一。开阳磷矿保有磷矿石储量占我
Guizhou Kaiyang Phosphate Mine is located in the hinterland of Guizhou. 1958 started construction, now has an annual output of phosphate rock more than one million tons of production capacity, China’s chemical industry is one of the key large-scale mines. Kaiyang phosphate reserves of phosphate rock accounted for my