Water purification systems may follow the initial pretreatment steps in various sequences depending on the characteristics of the water and the design of the system.
水纯化系统可能跟随在初始的预处理步骤后面，根据水规格参数的不同有多种顺序和系统设计。
But its main focus now is the clever stuff: specialty chemicals that are used for everything from water-purification systems to solar roof tiles.
但是它现在关注的焦点是智能材料：能应用于从净化水系统到太阳房顶的瓦片的各种用途的专用化学品。
The American company says most UV water-purification systems put into homes have one or more filters.
美国公司称大部分的紫外线净水系统投入到家庭中要求有一个或一个以上的过滤器。
Founded in 1859 Aqua Cure PLC is one of the United Kingdom's largest suppliers of water filtration, purification and treatment systems.
成立于1859年水处理公司是英国最大的水过滤、净化和处理系统供应商。
This includes things like providing more water bottle filling stations, locating printers to a central area so employees are encouraged to move more, and installing air purification systems.
这些研究的结论包括放置更多饮水机，把打印机放在中心区域以鼓励员工更多地走动，以及安装空气净化系统。
As we have learned more about the water we drink. the technology behind drinking water filters and purification systems has improved dramatically.
随着我们更多地了解我们所饮用的水，饮用水过滤器和净化系统的技术得到了巨大改进。
River filtration systems purify surface water flowing through this system to some extent, but degree of purification is not known.
河流渗滤系统对入渗的地表水有一定的净化作用，过去人们很少从理论上研究河流渗滤系统对污染河水的净化作用。
Water Filtration and Purification Systems 15.
水过滤净化系统15。
Water Filtration and Purification Systems 15.
水过滤净化系统15。
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