petrochemical industrial bureau

例句：

1. 1. The petrochemical industry is a major contributor to the economy.
   石油化学工业是经济的主要贡献者。
2. 2. The petrochemical industrial bureau has been working on developing new technologies for years.
   石油化学工业局多年来一直在开发新的技术。
3. 3. The petrochemical industrial bureau is responsible for overseeing the safety and environmental standards in the industry.
   石油化学工业局负责监督该行业的安全和环境标准。