Long-term since, drinking water is perplexing us filthily.
长期以来,不洁困扰着我们。
Long-term since, drinking water is perplexing us filthily.
长期以来,不洁困扰着我们。
Impure drinking water is a cause of disease.
不洁的是引发疾病的一个原因。
This is pure drinking water.
这是纯净的。
Recently, ozone has been widely used in medicine, vivers, chemical industry, air decontamination, sewage disposal and drinking water sterilization.
近年来,臭氧技术已在污处理、医学、食品、化工生产、空气净化、
杀菌消毒等领域得到广泛应
,并显示出很
的发展前景。
The traditional drinking water supply in the rural areas of Guizhou is mainly the means of massive, individual and unprojected ways.
贵州农村主要由集中式、分散式、未经工程手段的传统式供应。
Series 909 Reduced Pressure Zone Assemblies are designed to provide crossconnection control protection of the potable water supply in accordance with national plumbing codes.
系列909减压区总成具有供应系统交叉连接管理功能,符合美国国家管
业的有关规定。
Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions, forcing people to use low-quality water for drinking.
过度抽取地下做为
和
来灌溉在许多地区已经使
位下降了几十米,迫使人们使
质量较差的
来做为
。
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