饮用水源地 Potable water sources 深圳经济特区饮用水源保护条例（修正） Regulations of Shenzhen Special Economic Zone on Protection for the Sources of Drin...
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To supply the demand for the potable water for the world's population and high quality water for industry the available sources of water often need to be treated.
为了满足世界人口和高质量工业用水的要求，通常可利用的水资源都需要净化。
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The loss of potable water sources worldwide has become a United Nations priority issue.
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