firewall with 4-hour fire rating

英 [firewall with 4-hour fire rating]
美 [firewall with 4-hour fire rating]

中文释义

火4小时的防火墙

单词分析

单词结构：

firewall with 4-hour fire rating

字母数：32

记忆提示

🎯 重点记忆：

  • 单词拼写：firewall with 4-hour fire rating
  • 核心含义：火4小时的防火墙

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更新时间：2026-02-06 08:38:58