nitrogen hardening

英 [nitrogen hardening]
美 [nitrogen hardening]

中文释义

[机] 氮硬化

单词分析

单词结构：

nitrogen hardening

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：nitrogen hardening
  • 核心含义：[机] 氮硬化

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更新时间：2026-01-31 21:06:30