butt weld in the down hand position

[butt weld in the down hand position]
[butt weld in the down hand position]

中文释义

un. 对接平焊

单词分析

单词结构:

butt weld in the down hand position

字母数:35

记忆提示

🎯 重点记忆:

  • 单词拼写:butt weld in the down hand position
  • 核心含义:un. 对接平焊