齿轮的最终热处理采用使零件变形较小的齿面高频淬火；

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

youdao

齿轮的最终热处理采用使零件变形较小的齿面高频淬火；

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

youdao