private branch exchange arc

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

中文释义

un. 小交换机复接线弧

单词分析

单词结构：

private branch exchange arc

字母数：27

记忆提示

🎯 重点记忆：

  • 单词拼写：private branch exchange arc
  • 核心含义：un. 小交换机复接线弧

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更新时间：2025-12-08 14:03:25