Meantime, the compressive stress in inner surface of hollow roller by nitrocarburizing is available for improvement of bend fatigue property.
同时，共渗在空心滚子内表面造成的压应力对改善弯曲疲劳性能有利。
An advanced post coating treatment is adopted, including shape improvement by tension leveller, coating surface and mechanical property by skin pass mill.
采用先进的镀层后处理工艺，包括采用拉伸弯曲矫直机改善板形处理，采用光整机改善镀层表面和机械性能。
An advanced past coating treatment is adopted, including shape improvement by tension leveller, coating surface and mechanical property by skin pass mill.
采用先进的镀层后处理工艺，包括采用拉伸弯曲矫直机改善板形处理，采用光整机改善镀层表面和机械性能。
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