hollow-rod drilling

英 [hollow-rod drilling]
美 [hollow-rod drilling]

中文释义

空心钻杆钻进

单词分析

单词结构：

hollow-rod drilling

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：hollow-rod drilling
  • 核心含义：空心钻杆钻进

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更新时间：2026-02-09 22:08:51