digital telephone switching service

英 [digital telephone switching service]
美 [digital telephone switching service]

中文释义

数位电话交换业务

单词分析

单词结构：

digital telephone switching service

字母数：35

记忆提示

🎯 重点记忆：

  • 单词拼写：digital telephone switching service
  • 核心含义：数位电话交换业务

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更新时间：2026-02-05 20:54:45