private automatic branch-exchange

[private automatic branch-exchange]
[private automatic branch-exchange]

中文释义

[电] 专用自动交换

单词分析

单词结构:

private automatic branch-exchange

字母数:33

记忆提示

🎯 重点记忆:

  • 单词拼写:private automatic branch-exchange
  • 核心含义:[电] 专用自动交换