petrochemical complex

例句：

1. 1. The petrochemical complex is a major industrial hub inthe region.
   石化复合体是该地区的主要工业中心。
2. 2. The petrochemical complex has beena source of controversy over environmental concerns.
   石化复合体因环境问题而引发争议。
3. 3. Thepetrochemical complex is responsible for producinga significant amount of greenhouse gases.
   石化复合体负责生产大量的温室气体。