highway level crossing obstruction signal

[highway level crossing obstruction signal]
[highway level crossing obstruction signal]

中文释义

道口遮断信号

单词分析

单词结构:

highway level crossing obstruction signal

字母数:41

记忆提示

🎯 重点记忆:

  • 单词拼写:highway level crossing obstruction signal
  • 核心含义:道口遮断信号