fire door protection ring

英 [fire door protection ring]
美 [fire door protection ring]

中文释义

炉门护圈

单词分析

单词结构：

fire door protection ring

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：fire door protection ring
  • 核心含义：炉门护圈

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更新时间：2026-02-03 05:42:33