chemical engineering design

例句：

1. 1. The chemical engineering design of the new plant is expected to be completed within six months.
   新工厂的化学工程设计预计将在六个月内完成。
2. 2. The chemical engineering design of the new plant has been approved by the environmental authorities.
   新工厂的化学工程设计已获得环保部门批准。
3. 3. The chemical engineering design of the new plant will require significant investment in research and development.
   新工厂的化学工程设计将需要大量投资于研究和开发。