英语词汇nitrogen case hardening怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	nitrogen case hardening
释义	nitrogen case hardening 简明释义渗氮硬化网络释义短语 1 Nitrogen case hardening 渗氮硬化 ; 渗碳硬化 2 ion-nitrogen case-hardening gear 离子渗氮齿轮双语例句 1 Through analysis and tests, the authors selected corrosion resistant nitrogen case-hardening process to replace chrome plating. 通过分析和试验，我们采用了抗蚀渗氮取代电镀铬工艺。
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