dial private branch exchange

[dial private branch exchange]
[dial private branch exchange]

中文释义

专用自动电话局;自动小交换机

单词分析

单词结构:

dial private branch exchange

字母数:28

记忆提示

🎯 重点记忆:

  • 单词拼写:dial private branch exchange
  • 核心含义:专用自动电话局;自动小交换机