Characteristics and Origin of Fractures in the Extra Low-Permeability Sandstone Reservoirs of the Upper Triassic Yanchang Formation in the Ordos Basin是什么意思_Characteristics and Origin of Fractures in the Extra Low-Permeability Sandstone Reservoirs of the Upper Triassic Yanchang Formation in the Ordos Basin在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句