double wire semaphore signal

英 [double wire semaphore signal]
美 [double wire semaphore signal]

中文释义

双线臂板信号机

单词分析

单词结构：

double wire semaphore signal

字母数：28

记忆提示

🎯 重点记忆：

  • 单词拼写：double wire semaphore signal
  • 核心含义：双线臂板信号机

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更新时间：2026-02-02 22:10:22