operator toll dialing system

英 [operator toll dialing system]
美 [operator toll dialing system]

中文释义

话务员长途拨号系统, 话务员长途拨号制

单词分析

单词结构：

operator toll dialing system

字母数：28

记忆提示

🎯 重点记忆：

  • 单词拼写：operator toll dialing system
  • 核心含义：话务员长途拨号系统, 话务员长途拨号制

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更新时间：2026-01-23 08:02:36