four-wire switching center

英 [four-wire switching center]
美 [four-wire switching center]

中文释义

[计] 四线制交换中心

单词分析

单词结构：

four-wire switching center

字母数：26

记忆提示

🎯 重点记忆：

  • 单词拼写：four-wire switching center
  • 核心含义：[计] 四线制交换中心

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更新时间：2026-03-11 11:14:19