long distance direct current dialing system

[long distance direct current dialing system]
[long distance direct current dialing system]

中文释义

远程直流拨号系统

单词分析

单词结构:

long distance direct current dialing system

字母数:43

记忆提示

🎯 重点记忆:

  • 单词拼写:long distance direct current dialing system
  • 核心含义:远程直流拨号系统