private automatic switching system

英 [private automatic switching system]
美 [private automatic switching system]

中文释义

私用自动交换系统

单词分析

单词结构：

private automatic switching system

字母数：34

记忆提示

🎯 重点记忆：

  • 单词拼写：private automatic switching system
  • 核心含义：私用自动交换系统

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更新时间：2025-12-18 22:23:32