简答题 翻译：The gas saturation is obtained in the same manner as the retort.

翻译：These reservoirs can be classified according to rock types, depending on variations in source rock, transport distance, and depositional environment. 点击查看答案

翻译：Classification of traps logically falls into three broad general groups: (1) structural, (2)stratigraphic, and (3)combination. 点击查看答案