flat position downhand welding

[flat position downhand welding]
[flat position downhand welding]

中文释义

平銲

单词分析

单词结构:

flat position downhand welding

字母数:30

记忆提示

🎯 重点记忆:

  • 单词拼写:flat position downhand welding
  • 核心含义:平銲