key telephone system

英 [key telephone system]
美 [key telephone system]

中文释义

【电信学】键选电话系统

单词分析

单词结构：

key telephone system

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：key telephone system
  • 核心含义：【电信学】键选电话系统

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更新时间：2025-12-18 08:37:54