manhole with butt welded flange

[manhole with butt welded flange]
[manhole with butt welded flange]

中文释义

对焊法兰人孔

单词分析

单词结构:

manhole with butt welded flange

字母数:31

记忆提示

🎯 重点记忆:

  • 单词拼写:manhole with butt welded flange
  • 核心含义:对焊法兰人孔