busy relay

英 [busy relay]
美 [busy relay]

中文释义

占线继电器

单词分析

单词结构：

busy relay

字母数：10

记忆提示

🎯 重点记忆：

  • 单词拼写：busy relay
  • 核心含义：占线继电器

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更新时间：2026-01-30 00:07:26