The current water pollution problem is particularly serious, so it is urgent to protect drinking water sources.
当前水污染问题尤为严重，保护饮用水水源刻不容缓。
Since a number of EHEC infections have been caused by contact with recreational water, it is also important to protect such water areas, as well as drinking-water sources, from animal wastes.
由于很多肠出血性大肠杆菌感染因接触游憩用水所致，对于避免这类水域和饮用水源遭动物粪便污染也很重要。
To protect the drinking water sources environment, the present environment situation of 18 centralized urban drinking water sources in Banan district were investigated.
从保护巴南区饮用水源地环境的角度出发，首次对巴南区18个集中式城镇饮用水源地的环境现状进行了调查研究。
To protect the drinking water sources, water pollution prevention and control technologies will be applied in building of venues located close to the water source conversation area.
保护饮用水源，靠近水源保护区的场馆采用严格的水污染防治技术。
To protect the drinking water sources, water pollution prevention and control technologies will be applied in building of venues located close to the water source conversation area.
保护饮用水源，靠近水源保护区的场馆采用严格的水污染防治技术。
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