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结合伊敏煤电公司一露天矿生产中出现的实际问题，论述了开辟 2# 内排土场及开拓系统改造方案的实施情况及效益分析。
Combined with the actual problems in the production of an open pit mine in Yimin Coal and Electricity Company, the implementation situation and benefit analysis of the plan to open up the No. 2 dumping ground and open up the system reforming are discussed.