private branch exchange trunk

[private branch exchange trunk]
[private branch exchange trunk]

中文释义

专用交换机中继线

单词分析

单词结构:

private branch exchange trunk

字母数:29

记忆提示

🎯 重点记忆:

  • 单词拼写:private branch exchange trunk
  • 核心含义:专用交换机中继线