private branch exchange access line

[private branch exchange access line]
[private branch exchange access line]

中文释义

专用小交换机联接通道

单词分析

单词结构:

private branch exchange access line

字母数:35

记忆提示

🎯 重点记忆:

  • 单词拼写:private branch exchange access line
  • 核心含义:专用小交换机联接通道