telephone private branch exchange

英 [telephone private branch exchange]
美 [telephone private branch exchange]

中文释义

用户小交换机

单词分析

单词结构：

telephone private branch exchange

字母数：33

记忆提示

🎯 重点记忆：

  • 单词拼写：telephone private branch exchange
  • 核心含义：用户小交换机

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更新时间：2026-04-11 11:21:35