triple-entry room-and-pillar mining

英 [triple-entry room-and-pillar mining]
美 [triple-entry room-and-pillar mining]

中文释义

三进路房柱式采矿法

单词分析

单词结构：

triple-entry room-and-pillar mining

字母数：35

记忆提示

🎯 重点记忆：

  • 单词拼写：triple-entry room-and-pillar mining
  • 核心含义：三进路房柱式采矿法

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更新时间：2026-02-06 04:54:58