boring-and-underreaming method

英 [boring-and-underreaming method]
美 [boring-and-underreaming method]

中文释义

钻孔扩端法

单词分析

单词结构：

boring-and-underreaming method

字母数：30

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🎯 重点记忆：

  • 单词拼写：boring-and-underreaming method
  • 核心含义：钻孔扩端法

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更新时间：2026-03-17 00:36:16