semiautomatic exchange

英 [semiautomatic exchange]
美 [semiautomatic exchange]

中文释义

[通信] 半自动化电话局

单词分析

单词结构：

semiautomatic exchange

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：semiautomatic exchange
  • 核心含义：[通信] 半自动化电话局

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更新时间：2026-02-03 16:15:40