local telephone switching system

英 [local telephone switching system]
美 [local telephone switching system]

中文释义

地区电话交换机

单词分析

单词结构：

local telephone switching system

字母数：32

记忆提示

🎯 重点记忆：

  • 单词拼写：local telephone switching system
  • 核心含义：地区电话交换机

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更新时间：2026-02-03 08:37:40