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manual telephone switch board

英 [manual telephone switch board]
美 [manual telephone switch board]

中文释义

人工电话交换机

单词分析

单词结构:

manual telephone switch board

字母数:29

记忆提示

🎯 重点记忆:

  • 单词拼写:manual telephone switch board
  • 核心含义:人工电话交换机

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更新时间:2026-02-06 05:15:00

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