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寒冷地区煤岩低温切割阻力的测定和预测是露天煤矿、露大煤矿设计科研单位、轮斗挖掘机制造厂十分关注的课题。它直接关系到露天煤田开发采矿工艺决策和轮斗挖掘机选型、设计和制造是否合理科，关系到露天煤矿投产后的生产、安全和经济效益。伊敏露天煤矿位于我国北方寒冷地区?
Determination and prediction of cryogenic cutting resistance of coal rock in cold areas is a topic of great concern to opencast coal mines, design and scientific research units of Ludi Coal Mine and wheel excavator manufacturing plants. It is directly related to the development of open-pit coal mining process decision-making and wheel bucket excavator selection, design and manufacture is reasonable, relates to open-pit coal production, safety and economic benefits. Yimin opencast coal mine in northern China cold?