single-directional running automatic block

[single-directional running automatic block]
[single-directional running automatic block]

中文释义

单向自动闭塞

单词分析

单词结构:

single-directional running automatic block

字母数:42

记忆提示

🎯 重点记忆:

  • 单词拼写:single-directional running automatic block
  • 核心含义:单向自动闭塞