smoke prevention staircase

英 [smoke prevention staircase]
美 [smoke prevention staircase]

中文释义

防烟楼梯

单词分析

单词结构：

smoke prevention staircase

字母数：26

记忆提示

🎯 重点记忆：

  • 单词拼写：smoke prevention staircase
  • 核心含义：防烟楼梯

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更新时间：2026-01-20 15:15:15