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一、概述目前,我国使用平硐溜井开拓的金属和非金属露天矿山有30多个。每个矿山年产量从几十万吨到几百万吨,有的达到近千万吨,并正在规划年产量达一千万吨以上,采用平硐溜井或溜井-胶带斜井系统开拓运输的大型金属露天矿。
I. Overview At present, there are more than 30 metal and non-metal open pit mines opened in China using the run-out hole. Each mine’s annual output from hundreds of thousands of tons to millions of tons, and some reached nearly 10 million tons, and is planning annual production of 10 million tons or more, the use of adventures or slip-wells - tape tilt system to develop transport Large open-pit metal mine.