exchange cross-bar switch

英 [exchange cross-bar switch]
美 [exchange cross-bar switch]

中文释义

叉线式电话交换

单词分析

单词结构：

exchange cross-bar switch

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：exchange cross-bar switch
  • 核心含义：叉线式电话交换

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更新时间：2026-02-02 20:47:52