highway level crossing announcing device

[highway level crossing announcing device]
[highway level crossing announcing device]

中文释义

道口通知设备

单词分析

单词结构:

highway level crossing announcing device

字母数:40

记忆提示

🎯 重点记忆:

  • 单词拼写:highway level crossing announcing device
  • 核心含义:道口通知设备