private branch exchange line

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

中文释义

专用交换机线

单词分析

单词结构：

private branch exchange line

字母数：28

记忆提示

🎯 重点记忆：

  • 单词拼写：private branch exchange line
  • 核心含义：专用交换机线

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更新时间：2026-02-05 03:33:46