7、In the first problem the boys were told the drinking water supply had been attacked by vandals.
11、Huge algae outbreaks again pose a threat to drinking water supply from Taihu and Chaohu, two of China"s major freshwater lakes.
2、Photo of water bottles. The minimum drinking water supply is 1 gallon per person per day.
6、To add a fluorine compound to(a drinking water supply, for example) for the purpose of reducing tooth decay.
12、This action threatens to damage our drinking water supply and if we cannot stem the growth of this process, we may have much less time than we think.
4、Analysis of technical economic indicators for city drinking water supply system
10、The Bank is already very active in supporting India in three of those sectors: irrigation, drinking water supply and rural roads.
5、Salt water is already entering the country's drinking water supply, as well as damaging plants that produce fruit and vegetable.
1、Salt water is already entering the country's drinking water supply.
13、" Unplasticized polyvinyl chloride (PVC-U) pipes and fittings for drinking water supply--Extractability of lead, tin, cadmium and mercury occurring as impurities--Test method and permitted levels"
3、The Kuilei Lake is the main drinking water supply source of the Kunshan city.
9、It is transmitted exclusively when people who have little or no access to safe-drinking water supply swallow water contaminated with parasite-infected fleas.
8、The addition of a fluorine compound to a drinking water supply for the purpose of reducing tooth decay.
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