digital private branch exchange

[digital private branch exchange]
[digital private branch exchange]

中文释义

[计]数字专用交换分机

单词分析

单词结构:

digital private branch exchange

字母数:31

记忆提示

🎯 重点记忆:

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