剪切角的研究是金属切削理论中的一个基本问题。
Shear Angle research is one of the basic problems in metal cutting theory.
传统切削研究中，主要是从切削理论和切削试验两种方法来进行。
The conventional study begins with the theory and the experiments of metal cutting.
传统的切削研究，主要是从切削理论和切削试验两个方面来进行。
Cutting of the traditional, mainly from the cutting theory and cutting tests carried out two.
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