four-wire subscriber line

英 [four-wire subscriber line]
美 [four-wire subscriber line]

中文释义

【电信学】四线用户线

单词分析

单词结构：

four-wire subscriber line

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：four-wire subscriber line
  • 核心含义：【电信学】四线用户线

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更新时间：2026-02-01 01:00:55