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通过对伊敏煤岩切割阻力试验预测成果的分析，探讨了寒冷地区轮斗挖掘机线切割力的选定，提出了切割功率计算公式中线切割力以冬季工作面加权平均切割阻力计算的新观点.
Based on the analysis of prediction results of cutting resistance test of Yimin coal, the paper also discussed the selection of line cutting force of bucket wheel excavator in cold area and put forward the new viewpoint that the cutting power calculation formula calculates the resistance of winter cutting face weighted average cutting force .