special toll trunk circuit

英 [special toll trunk circuit]
美 [special toll trunk circuit]

中文释义

专用长途中继电路

单词分析

单词结构：

special toll trunk circuit

字母数：26

记忆提示

🎯 重点记忆：

  • 单词拼写：special toll trunk circuit
  • 核心含义：专用长途中继电路

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更新时间：2026-02-05 06:36:10