private branch exchange access line

英 [private branch exchange access line]
美 [private branch exchange access line]

中文释义

专用小交换机联接通道

单词分析

单词结构：

private branch exchange access line

字母数：35

记忆提示

🎯 重点记忆：

  • 单词拼写：private branch exchange access line
  • 核心含义：专用小交换机联接通道

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更新时间：2026-02-05 19:57:33