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针对义马北露天煤矿现开拓运输系统发展到后期存在的主要问题，结合我矿南部边坡问题提出了3种采矿及排土工程方案，探讨其中的最佳开采方案。
In view of the main problems existing in the development of the open pit transportation system of Yimabei Opencast Mine to the latter part of the period, three mining and earthwork schemes are proposed in light of the slope problems in the south of the mine and the best mining scheme is discussed.