direct hardening

英 [direct hardening]
美 [direct hardening]

中文释义

直接淬火冷却

单词分析

单词结构：

direct hardening

字母数：16

记忆提示

🎯 重点记忆：

  • 单词拼写：direct hardening
  • 核心含义：直接淬火冷却

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更新时间：2026-02-01 13:53:38