roller bearing bit

英 [roller bearing bit]
美 [roller bearing bit]

中文释义

[油气] 滚动轴承钻头

单词分析

单词结构：

roller bearing bit

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：roller bearing bit
  • 核心含义：[油气] 滚动轴承钻头

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更新时间：2026-01-30 05:57:21