technical reform of railway

英 [technical reform of railway]
美 [technical reform of railway]

中文释义

铁路技术改造

单词分析

单词结构：

technical reform of railway

字母数：27

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🎯 重点记忆：

  • 单词拼写：technical reform of railway
  • 核心含义：铁路技术改造

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更新时间：2026-02-04 05:20:05