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首页 > 英汉词典 > approach obstruction signal

approach obstruction signal

英 [approach obstruction signal]
美 [approach obstruction signal]

中文释义

遮断预告信号机

单词分析

单词结构:

approach obstruction signal

字母数:27

记忆提示

🎯 重点记忆:

  • 单词拼写:approach obstruction signal
  • 核心含义:遮断预告信号机

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更新时间:2026-02-06 10:38:44

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