A、原油分子 B、原油與地層 C、原油與管壁 D、不同液體
A.地表條件 B.20℃,0.101Mpa C.20℃,0.01MPa D.20℃,0.10Mpa
A.碳和氫 B.瀝青質(zhì)和碳質(zhì) C.瀝青質(zhì)和氫 D.氫和氧