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美国用污水育鲜花美国康奈尔大学的研究者设计了一种耗资极低、收效特高的污水处理系统。其特点是:不仅在处理污水过程中能收到天然气,而且经过处理的污水还能培育各种花卉。
US Sewage Watering Flowers Researchers at Cornell University in the United States designed a very low-cost, highly effective wastewater treatment system. Its features are: not only in the process of sewage treatment can receive natural gas, but also to deal with the sewage can cultivate a variety of flowers.