internal external upset tubing

[internal external upset tubing]
[internal external upset tubing]

中文释义

内外加厚油管

单词分析

单词结构:

internal external upset tubing

字母数:30

记忆提示

🎯 重点记忆:

  • 单词拼写:internal external upset tubing
  • 核心含义:内外加厚油管