The geometric Angle of the blades of cutting tools is one of the difficult (complex) concepts in teaching the theory of metal cutting and cutting tools.
刀具几何角度是金属切削原理及刀具课教学中的一大难点。
The geometric Angle of the blades of cutting tools is one of the difficult (complex) concepts in teaching the theory of metal cutting and cutting tools.
刀具几何角度是金属切削原理及刀具课教学中的一大难点。
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