Gear final heat treatment using the parts deformation small tooth surface quenching;

齿轮的最终热处理采用使零件变形较小的齿面高频淬火；

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Gear final heat treatment using the parts deformation small tooth surface quenching;

齿轮的最终热处理采用使零件变形较小的齿面高频淬火；

youdao