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。
The women mix sawdust and clay to make flower pot shaped filters that they use to purify drinking water.
妇女们将锯屑和粘土混在一起，制造花盆状的滤水器，用来净化饮用水。
To get drinking quality, the water is run through the two blue filters and finally through the UV light sterilizer.
要获得饮用水质量，水是贯穿两个蓝色的过滤器，最后通过紫外线灭菌。
To get drinking quality, the water is run through the two blue filters and finally through the UV light sterilizer.
要获得饮用水质量，水是贯穿两个蓝色的过滤器，最后通过紫外线灭菌。
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