mechanically operated semaphore signal

[mechanically operated semaphore signal]
[mechanically operated semaphore signal]

中文释义

机械臂板信号机

单词分析

单词结构:

mechanically operated semaphore signal

字母数:38

记忆提示

🎯 重点记忆:

  • 单词拼写:mechanically operated semaphore signal
  • 核心含义:机械臂板信号机