subscriber trunk dialing

英 [subscriber trunk dialing]
美 [subscriber trunk dialing]

中文释义

户干线拨号

单词分析

单词结构：

subscriber trunk dialing

字母数：24

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🎯 重点记忆：

  • 单词拼写：subscriber trunk dialing
  • 核心含义：户干线拨号

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更新时间：2026-01-29 21:54:27