single freuqency signalling unit

英 [single freuqency signalling unit]
美 [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

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更新时间：2025-12-08 19:24:27