manual common battery switchboard

英 [manual common battery switchboard]
美 [manual common battery switchboard]

中文释义

人工共电式交换台

单词分析

单词结构：

manual common battery switchboard

字母数：33

记忆提示

🎯 重点记忆：

  • 单词拼写：manual common battery switchboard
  • 核心含义：人工共电式交换台

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更新时间：2026-02-03 08:42:17