ocurrence of coal seam

英 [ocurrence of coal seam]
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中文释义

[矿业] 煤层赋存

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ocurrence of coal seam

字母数：22

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  • 单词拼写：ocurrence of coal seam
  • 核心含义：[矿业] 煤层赋存

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更新时间：2026-03-15 08:47:21