求numerical modeling of methane gas migration in dry coal seams 这篇文章,作者是Valliappan,有的请发送至944824793@qq.com,
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![求numerical modeling of methane gas migration in dry coal seams 这篇文章,作者是Valliappan,有的请发送至944824793@qq.com,](/uploads/image/z/13522107-3-7.jpg?t=%E6%B1%82numerical+modeling+of+methane+gas+migration+in+dry+coal+seams+%E8%BF%99%E7%AF%87%E6%96%87%E7%AB%A0%2C%E4%BD%9C%E8%80%85%E6%98%AFValliappan%2C%E6%9C%89%E7%9A%84%E8%AF%B7%E5%8F%91%E9%80%81%E8%87%B3944824793%40qq.com%2C)
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