development drilling

英 [development drilling]
美 [development drilling]

中文释义

开拓钻孔

单词分析

单词结构：

development drilling

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：development drilling
  • 核心含义：开拓钻孔

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更新时间：2026-01-25 21:36:00