pneumatic firedoor

英 [pneumatic firedoor]
美 [pneumatic firedoor]

中文释义

风动炉门

单词分析

单词结构：

pneumatic firedoor

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：pneumatic firedoor
  • 核心含义：风动炉门

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更新时间：2026-01-17 07:49:27