upward welding in the vertical position

[upward welding in the vertical position]
[upward welding in the vertical position]

中文释义

向上立焊

单词分析

单词结构:

upward welding in the vertical position

字母数:39

记忆提示

🎯 重点记忆:

  • 单词拼写:upward welding in the vertical position
  • 核心含义:向上立焊