Sedimentary facies of Member 6 oil-bearing unit of the Triassic Yanchang Formation and its controlling rule on oil distribution in the Yaodian Oilfield, Ordos Basin是什么意思_Sedimentary facies of Member 6 oil-bearing unit of the Triassic Yanchang Formation and its controlling rule on oil distribution in the Yaodian Oilfield, Ordos Basin在线翻译_英语_读音_用法_例句