hollow-rod drill

英 [hollow-rod drill]
美 [hollow-rod drill]

中文释义

【机械工程】空心钻杆钻进 [亦作 hollow drill]

单词分析

单词结构：

hollow-rod drill

字母数：16

记忆提示

🎯 重点记忆：

  • 单词拼写：hollow-rod drill
  • 核心含义：【机械工程】空心钻杆钻进 [亦作 hollow drill]

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更新时间：2026-01-20 05:20:37