single freuqency signalling unit

[single freuqency signalling unit]
[single freuqency signalling unit]

中文释义

[网络] 单频振铃设备

单词分析

单词结构:

single freuqency signalling unit

字母数:32

记忆提示

🎯 重点记忆:

  • 单词拼写:single freuqency signalling unit
  • 核心含义:[网络] 单频振铃设备