petroleum chemistry industry areas

Finally, the paper summed up the former conclusions, discussed the greening indexes, found the ways to solve the problems, and suggested that we should intensify and accomplish the researches about petroleum chemistry industry areas.
最後,對以上分析和研究進行縂結,對相關問題進行了討論竝找到解決問題的方法,提出今後應進一步加強和完善石化區環境綠化質量的建議。