For instance, simple filtration and disinfection of water at the household level dramatically improves the microbial quality of water, and reduces the risk of diarrhoeal disease at low cost.
例如，在家庭层次水的简单过滤和消毒可显著改善水的微生物质量和以低成本减少腹泻病的危险。
The food and water they do get is usually inadequate, low quality and served in unsanitary conditions.
食品和水得到他们通常不足，质量低，曾在不卫生的条件。
From company's water quality inspection result, water quality regular rate is very low, and it can't satisfy standard of oil field affusion.
从公司的水质监测结果看，水质达标率很低，不能满足油田注水水质标准。
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