shaft excavation

英 [shaft excavation]
美 [shaft excavation]

中文释义

竖井掘进;井筒掘进

单词分析

单词结构：

shaft excavation

字母数：16

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🎯 重点记忆：

  • 单词拼写：shaft excavation
  • 核心含义：竖井掘进;井筒掘进

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更新时间：2026-03-15 03:43:09