rotary underreamer

英 [rotary underreamer]
美 [rotary underreamer]

中文释义

旋转扩孔器

单词分析

单词结构：

rotary underreamer

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：rotary underreamer
  • 核心含义：旋转扩孔器

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更新时间：2026-02-01 15:48:22