At last, it was given to how to realize a usefulwater-managing project.
然后在分析的基础上，总结出一条有用的水管理实施方案。
2
If not from solution water resource to usefulwater resource aspect take effective measures words, the water resource of Chengdu city will be very tense.
若不从解决水资源向有用水资源方面采取有效措施的话，成都市的水资源将会非常紧张。
3
When we talk about recycle and reuse of oil extraction wastewater, we mean to make the original disusing or discharging wastewater become usefulwater resource after treated by some process.