针对宾馆污水水质特点，就中水回用对人体健康产生的影响进行了讨论。
The influence of water reuse on human's health is discussed according to the characteristics of wastewater in hotels.
吉林松花江水系水质为低硬低碱水质特点，浓缩倍数大于4时转为结垢型水质。
The water from the Songhua River system in Jilin Province features low hardness and low alkalinity and turns to water of scaling type when its enrichment factor is above4.
道路径流水质特点以及污染物控制情况对道路集雨灌溉实现起着至关重要的作用。
The water quality characteristic of urban road runoff and the situation of pollution control play important roles in the realization of the road rainfall harvesting irrigation.
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