closed section sign board

[closed section sign board]
[closed section sign board]

中文释义

封锁区间标志牌

单词分析

单词结构:

closed section sign board

字母数:25

记忆提示

🎯 重点记忆:

  • 单词拼写:closed section sign board
  • 核心含义:封锁区间标志牌