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可再生液体碳氨共渗新工艺用在钢领的渗碳处理中，取得了满意结果。
This paper deals with regenerating liquid Carbonitriding new process in-stead of Carbourizing process for rings.
youdao
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可再生液体碳氨共渗新工艺用在钢领的渗碳处理中，取得了满意结果。
This paper deals with regenerating liquid Carbonitriding new process in-stead of Carbourizing process for rings.
youdao