key telephone unit

英 [key telephone unit]
美 [key telephone unit]

中文释义

【电信学】键选电话部件

单词分析

单词结构：

key telephone unit

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：key telephone unit
  • 核心含义：【电信学】键选电话部件

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更新时间：2025-12-27 14:59:09