The study presupposes the utilization of advantages of various technique into full play and the necessity and technical feasibility of the application of semi-continuous technology at Huolinhe South open-pit mine.

• 研究是以最大限度利用各种工艺之优势及半连续工艺目前在霍林河南露天煤矿应用的必要性和技术上的可行性为前提的。