counterboring with step core drill

英 [counterboring with step core drill]
美 [counterboring with step core drill]

中文释义

阶梯扩孔

单词分析

单词结构：

counterboring with step core drill

字母数：34

记忆提示

🎯 重点记忆：

  • 单词拼写：counterboring with step core drill
  • 核心含义：阶梯扩孔

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更新时间：2025-12-08 16:53:01