central battery toll switchboard

英 [central battery toll switchboard]
美 [central battery toll switchboard]

中文释义

共电式长途交换机

单词分析

单词结构：

central battery toll switchboard

字母数：32

记忆提示

🎯 重点记忆：

  • 单词拼写：central battery toll switchboard
  • 核心含义：共电式长途交换机

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更新时间：2026-01-09 00:03:55