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run of mine coal seam

英 [run of mine coal seam]
美 [run of mine coal seam]

中文释义

[矿业] 原煤层

单词分析

单词结构:

run of mine coal seam

字母数:21

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🎯 重点记忆:

  • 单词拼写:run of mine coal seam
  • 核心含义:[矿业] 原煤层

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更新时间:2026-02-09 07:47:48

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