raised watertight manhole

[raised watertight manhole]
[raised watertight manhole]

中文释义

un. 升高水密人孔

单词分析

单词结构:

raised watertight manhole

字母数:25

记忆提示

🎯 重点记忆:

  • 单词拼写:raised watertight manhole
  • 核心含义:un. 升高水密人孔