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近年来,我厂在变速箱齿轮、变速箱轴等工件中以“中温气体碳氮共渗”取代“高温气体渗碳”取得了显著的技术经济效益。现就其两种工艺的应用情况作一
In recent years, our factory has obtained significant technical and economic benefits with “medium temperature gas carbonitriding” instead of “high temperature gas carburizing” in gearboxes, gearbox shafts and other workpieces. Now the application of the two processes for one