manually operated fire resisting door

[manually operated fire resisting door]
[manually operated fire resisting door]

中文释义

手控防火门

单词分析

单词结构:

manually operated fire resisting door

字母数:37

记忆提示

🎯 重点记忆:

  • 单词拼写:manually operated fire resisting door
  • 核心含义:手控防火门