underfrequency relay

英 [underfrequency relay]
美 [underfrequency relay]

中文释义

低频中继

单词分析

单词结构：

underfrequency relay

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：underfrequency relay
  • 核心含义：低频中继

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更新时间：2026-01-23 06:25:15