private manual branch exchange

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

中文释义

[电] 专用人工交换分机

单词分析

单词结构：

private manual branch exchange

字母数：30

记忆提示

🎯 重点记忆：

  • 单词拼写：private manual branch exchange
  • 核心含义：[电] 专用人工交换分机

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更新时间：2025-03-16 17:26:26