all-relay semi-automatic block system

[all-relay semi-automatic block system]
[all-relay semi-automatic block system]

中文释义

继电半自动闭塞

单词分析

单词结构:

all-relay semi-automatic block system

字母数:37

记忆提示

🎯 重点记忆:

  • 单词拼写:all-relay semi-automatic block system
  • 核心含义:继电半自动闭塞