private branch exchange

[private branch exchange]
[private branch exchange]

中文释义

[计] 专用交换分机

单词分析

单词结构:

private branch exchange

字母数:23

记忆提示

🎯 重点记忆:

  • 单词拼写:private branch exchange
  • 核心含义:[计] 专用交换分机