hydrocarbonism碳氢化合物中毒hydrocarbonn.碳氢化合物hydrocarbon expulsion characteristics排烃特征hydrocarbon differential accumulation油气差异聚集hydrocarbon-degrading microorganism烃降解微生物hydrocarbon-utilizing microorganism烃利用微生物hydrocarbon-soluble cobalt compound烃溶钴化物Hydrocarbons are organic compounds.碳氢化合物是有机化合物。hydrocarbon heterogeneous distribution油气不均一分布hydrocarbon migration and aeeumulation油气运聚hydrocarbon assimilative microorganism同化烃微生物Hydrocarbon fingerprint compounds oils原油烃指纹