automatic trunk exchange

英 [automatic trunk exchange]
美 [automatic trunk exchange]

中文释义

自动长途电话局

单词分析

单词结构：

automatic trunk exchange

字母数：24

记忆提示

🎯 重点记忆：

  • 单词拼写：automatic trunk exchange
  • 核心含义：自动长途电话局

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更新时间：2026-01-23 14:04:09