surface-hardened switch rail

英 [surface-hardened switch rail]
美 [surface-hardened switch rail]

中文释义

淬火尖轨

单词分析

单词结构：

surface-hardened switch rail

字母数：28

记忆提示

🎯 重点记忆：

  • 单词拼写：surface-hardened switch rail
  • 核心含义：淬火尖轨

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更新时间：2026-03-16 05:47:31