The treated water can be reused to flush the loo or irrigate crops .
处理过的水用来冲厕所或灌溉农作物。
In 2002 , he spearheaded a project to reverse the flow of the vast river ob through siberia to help irrigate the country 's parched central asian neighbors .
2002年，他牵头发起过一个项目，为帮助灌溉干燥的中亚邻国，他试图颠倒贯穿西伯利亚的鄂毕河的流向。
Much of libya 's water supply used to come from expensive desalination plants on the coast , which left little water to irrigate land-vital in this largely desert country .
