pre-drilling

英 [pre-drilling]
美 [pre-drilling]

中文释义

n. 打超前钻眼；打井口眼

单词分析

单词结构：

pre-drilling

字母数：12

记忆提示

🎯 重点记忆：

  • 单词拼写：pre-drilling
  • 核心含义：n. 打超前钻眼；打井口眼
  • 相关含义：打井口眼

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更新时间：2025-12-25 22:32:36