electromechanical semiautomatic block system

[electromechanical semiautomatic block system]
[electromechanical semiautomatic block system]

中文释义

机电半自动闭塞系统

单词分析

单词结构:

electromechanical semiautomatic block system

字母数:44

记忆提示

🎯 重点记忆:

  • 单词拼写:electromechanical semiautomatic block system
  • 核心含义: 机电半自动闭塞系统