平顶山二矿含煤地层山西组下部地层的沉积环境为潮坪，上部是三角洲体系的产物。
In No. 2 Coal Mine of Pingdingshan, the sedimentary environment of the lower stratum of Shanxi formation is considered as the tidal plat and the upper stratum and the result of delta systems.
平顶山二矿含煤地层山西组下部地层的沉积环境为潮坪，上部是三角洲体系的产物。
In No. 2 Coal Mine of Pingdingshan, the sedimentary environment of the lower stratum of Shanxi formation is considered as the tidal plat and the upper stratum and the result of delta systems.
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