fluted drill collar

英 [fluted drill collar]
美 [fluted drill collar]

中文释义

螺旋钻铤

单词分析

单词结构：

fluted drill collar

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：fluted drill collar
  • 核心含义：螺旋钻铤

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更新时间：2025-12-16 13:35:10