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.
最后,对以上分析和研究进行总结,对相关问题进行了讨论并找到解决问题的方法,提出今后应进一步加强和完善石化区环境绿化质量的建议。