petrochemical engineering

例句：

1. 1. The petrochemicalindustry is responsible for producing a wide rangeof products from oil and gas.
   石油化学工业负责从石油和天然气中生产各种产品。
2. 2. The petrochemical industry plays acrucial role in the global economy.
   石油化学工业在全球经济中扮演着至关重要的角色。
3. 3. Thepetrochemical industry has been facing challengesdue to environmental regulations.
   由于环境法规，石油化学行业面临着挑战。