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private branch exchange

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

中文释义

[计] 专用交换分机

单词分析

单词结构:

private branch exchange

字母数:23

记忆提示

🎯 重点记忆:

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

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更新时间:2026-02-03 17:38:06

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