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引言在人类繁衍生息的过程当中,“水”是一种绝对必须的物质。一方面,人们需要通过饮水来保证自身的水分,并摄入各种人体机能所需的物质元素,另一方面,人们还需要通过水来清洁事物,保持自身及生活环境的卫生。时代发展,如今人们对于水的获得方式发生了非常大的改变,尤其是生活在城市中的人们,生活用水都必须要依靠供水公司供给,在这样的情况下,如果供水安全得不到保障,就会引起
Introduction In the course of the multiplication of mankind, “water” is an absolutely necessary substance. On the one hand, people need to drink water to ensure their own moisture, and intake of various human elements required for material functions, on the other hand, people also need to clean things through water to maintain their own and living environment health. The development of the times has changed people's way of getting water. Especially for people living in the cities, domestic water must depend on the water supply company. Under such circumstances, if the water supply can not be guaranteed, Will cause