watertight quick acting door

[watertight quick acting door]
[watertight quick acting door]

中文释义

un. 水密速动门

单词分析

单词结构:

watertight quick acting door

字母数:28

记忆提示

🎯 重点记忆:

  • 单词拼写:watertight quick acting door
  • 核心含义:un. 水密速动门