石油化学 shíyóuhuàxué petrochemistry Origin Definitions Defs Strokes Stroke Words Sentences Sents 石油化学工业 shíyóuhuàxuégōngyè petrochemical industry The industry that produces various chemical products using petroleum or natural gas as raw materials; often abbreviated as [[石化工业|石化工業|shi2 hua4 gong1 ye4]] or [[石化|石化|shi2 hua4]]