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扭叶罗茨轮, 因加工困难, 影响推广。经分析, 提出方法只需将2坐标数显装置增加到普通铣床便可加工扭叶罗茨轮。
Torsion lobe wheel, due to processing difficulties, the impact of promotion. After analysis, the proposed method only needs to add the 2-coordinate digital display device to the ordinary milling machine to process the lobed roller.