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Well water is the main resource of drinking water in the most rural areas in China.
井水是我国农村地区主要的饮用水源。
youdao
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Briefly introduce status in quo of safety of rural drinking water in China.
简要介绍了我国农村饮水安全的现状。
youdao
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Briefly introduce status in quo of safety of rural drinking water in China.
简要介绍了我国农村饮水安全的现状。
youdao