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首页 > 英汉词典 > shaft pillar extraction

shaft pillar extraction

英 [shaft pillar extraction]
美 [shaft pillar extraction]

中文释义

井筒煤柱开采

单词分析

单词结构:

shaft pillar extraction

字母数:23

记忆提示

🎯 重点记忆:

  • 单词拼写:shaft pillar extraction
  • 核心含义:井筒煤柱开采

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更新时间:2026-02-02 00:13:20

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