internal external upset tubing

英 [internal external upset tubing]
美 [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

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更新时间：2026-04-12 13:20:48