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  • Shot blast_5335.com

    2016/10/21_澳门永利官网5454

    Shot blast also calls the shot peening, is to reduce fatigue, improve the life of one of the effective methods, shot peening treatment is to high-speed projectile flow injection to the spring surface...

  • Component in the process of manufacturing, will be from the function and influence of various factors such as; Disappears when these factors, if the component of the role and effect does not completely...