Riverbank filtration water is an important component of the drinking production in many countries.

开展河岸渗滤作用脱氮功能研究对保证饮用水水质安全有重要意义。

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Simpson said the water, treated by a filtration system and ultraviolet light, softened clients' skin.

辛普森说，通过一个过滤系统和紫外线处理的水软化顾客的皮肤。

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GE built two reverse osmosis filtration systems that now provide clean water for the facility's cooling system and boiler plant.

GE建设了两套反渗透过滤系统，目前可以为工厂的冷却系统和锅炉装置提供净化水源。

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The development community is divided over whether non-profits should give away or sell technology and services as diverse as solar lighting, water filtration,healthcare and education.

VOA: standard.2010.08.09

The model works by using a relatively new understanding of the water filtration process.

VOA: standard.2010.08.04

Michael Pritchard, a British inventor, served it to me after running it through his Lifesaver ultra filtration water bottle.

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They started a product that was a small water filtration -- portable water filtration system, and the Marines have just bought that for our troops in Afghanistan.

WHITEHOUSE: President Obama Closes Forum on Jobs and Economic Growth

Chesapeake says it has offered to install water filtration systems to 20 Pennsylvania homeowners with polluted water.

FORBES: Energy