railroad signaling

英 [railroad signaling]
美 [railroad signaling]

中文释义

铁道信号

单词分析

单词结构：

railroad signaling

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：railroad signaling
  • 核心含义：铁道信号

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更新时间：2026-02-05 07:15:34