roof-bolter

英 [roof-bolter]
美 [roof-bolter]

中文释义

锚杆机;杆柱机

单词分析

单词结构：

roof-bolter

字母数：11

记忆提示

🎯 重点记忆：

  • 单词拼写：roof-bolter
  • 核心含义：锚杆机;杆柱机

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更新时间：2026-04-11 21:38:35