Yiliang syncline的意思|示意
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Yiliang向斜
Yiliang syncline的网络常见释义
彝良向斜 彝良向斜煤矿区瓦斯赋存特征-中国煤矿安全生产网 关键词：彝良向斜；煤层瓦斯；赋存规律；影响因素 [gap=7884]Key words: Yiliang syncline, coal-bed methane, occurrence regularity, influence factors