called line identification signal

[called line identification signal]
[called line identification signal]

中文释义

识别被呼叫线路信号

单词分析

单词结构:

called line identification signal

字母数:33

记忆提示

🎯 重点记忆:

  • 单词拼写:called line identification signal
  • 核心含义:识别被呼叫线路信号