in-band frequency dialling

[in-band frequency dialling]
[in-band frequency dialling]

中文释义

频拨号(制)内

单词分析

单词结构:

in-band frequency dialling

字母数:26

记忆提示

🎯 重点记忆:

  • 单词拼写:in-band frequency dialling
  • 核心含义:频拨号(制)内