manual fire alarm system

英 [manual fire alarm system]
美 [manual fire alarm system]

中文释义

手动火警系统;手摇式火警装置

单词分析

单词结构：

manual fire alarm system

字母数：24

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🎯 重点记忆：

  • 单词拼写：manual fire alarm system
  • 核心含义：手动火警系统;手摇式火警装置

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更新时间：2026-02-04 19:58:01