Today alone there are questions about water resource engineering, vacation planning and more.
今天就有水资源工程，度假安排诸如此类的问题。
Use the principle and method of environmental engineering, system engineering and mathematics planning, the research of optimum water recycling system in the university is conducted.
运用环境工程、系统工程和数学规划的原理和方法，进行了高校中水系统规划的优化研究。
So the biodegradability of the raw water should be examined at the planning stage of a raw water biological pretreatment engineering.
在规划生物预处理工程以前，应先检测原水的可生物降解性。
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