railway classification

英 [railway classification]
美 [railway classification]

中文释义

铁路等级

单词分析

单词结构：

railway classification

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：railway classification
  • 核心含义：铁路等级

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更新时间：2025-12-16 15:46:45