fluted drill collar

[fluted drill collar]
[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