In order to improve the lifetime and the wear resistance of bowl cutter blanking die,an experiment of pack orthogonal boronizing was done.

 
  • 为提高刀碗落料模具的使用寿命和耐磨性,对刀碗落料模具钢进行固体正交渗硼试验。
今日热词
目录 附录 查词历史