operator's toll dialing system

[operator's toll dialing system]
[operator's toll dialing system]

中文释义

[电] 话务员长途拨号系统

单词分析

单词结构:

operator's toll dialing system

字母数:30

记忆提示

🎯 重点记忆:

  • 单词拼写:operator's toll dialing system
  • 核心含义:[电] 话务员长途拨号系统