private automatic branch-exchange

英 [private automatic branch-exchange]
美 [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

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更新时间：2026-02-02 15:10:48