step-back method of welding

[step-back method of welding]
[step-back method of welding]

中文释义

分段反向焊法

单词分析

单词结构:

step-back method of welding

字母数:27

记忆提示

🎯 重点记忆:

  • 单词拼写:step-back method of welding
  • 核心含义:分段反向焊法