The excellent rock assemblage of Late Permian coal -bearing rock series in East Yunnan contains abundant seam gas resources.
滇东晚二叠世含煤岩系良好的岩性组合，贮藏了丰富的煤层气资源。
The excellent rock assemblage of Late Permian coal -bearing rock series in East Yunnan contains abundant seam gas resources.
滇东晚二叠世含煤岩系良好的岩性组合，贮藏了丰富的煤层气资源。
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