shaft pillar

英 [shaft pillar]
美 [shaft pillar]

中文释义

【采矿】井筒保安矿柱

单词分析

单词结构：

shaft pillar

字母数：12

记忆提示

🎯 重点记忆：

  • 单词拼写：shaft pillar
  • 核心含义：【采矿】井筒保安矿柱

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更新时间：2026-03-02 19:17:42