private branch exchange equipment

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

中文释义

专用小交换机设备

单词分析

单词结构：

private branch exchange equipment

字母数：33

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🎯 重点记忆：

  • 单词拼写：private branch exchange equipment
  • 核心含义：专用小交换机设备

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更新时间：2026-04-12 05:28:46