railroad crossing protection device

英 [railroad crossing protection device]
美 [railroad crossing protection device]

中文释义

铁路平交道防护设备

单词分析

单词结构：

railroad crossing protection device

字母数：35

记忆提示

🎯 重点记忆：

  • 单词拼写：railroad crossing protection device
  • 核心含义：铁路平交道防护设备

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更新时间：2026-02-06 05:53:54