硬质合金螺旋孔棒材尺寸精度控制与标准探讨
孟小卫 吴仲武
硬质合金螺旋孔棒材尺寸精度控制与标准探讨
Discussion on Dimension Standard and Control Precision of Cemented Carbide Rods with Helical Coolant Holes
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