secondary hardening

英 [secondary hardening]
美 [secondary hardening]

中文释义

二次硬化,(高速钢的)回火硬化

单词分析

单词结构：

secondary hardening

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：secondary hardening
  • 核心含义：二次硬化,(高速钢的)回火硬化

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更新时间：2026-02-04 23:49:55