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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:2025-12-08 21:23:12

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