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Water is an important constituent of the human body
type of water
Water can be simply divided into surface water and groundwater according to the form
Groundwater refers to the water that occurs in the rock voids below the ground, and in a narrow sense refers to the water in the saturated aquifer below the groundwater level
water division
How to distinguish in daily life? According to the "Guidelines for Drinking Water for Chinese Residents" and "Guidelines for Chinese Residents' Daily Drinking Water Grading Guide" released in Beijing in March 2012 by the Aquatic Industry Committee of the Public Nutrition and Development Center of the National Development and Reform Commission and the Beijing Institute of Public Nutrition and Healthy Drinking Water in Beijing, it is clearly pointed out that there are four levels of moisture: Grade 1 water: Mineral water from high-quality and rare water sources, rich and balanced in mineral content, precious and rare resources; Grade 2 ordinary mineral water, containing a small amount of minerals; Grade 3 may be slightly polluted or slightly polluted, and the processing technology is more complex to meet the needs of daily life.
The mineral content of natural mineral water is stable, rich and balanced, and the resources are rare, which meets the needs of human health and high-quality drinking water, and has a good taste
good water distribution
According to the investigation, China selected two "China Good Water Sources" in 2015 and 2018 respectively
drinking water purchase
There are various types of water on the market, and the names are also varied
(Zhang Ruijia and Wen Liping)
Responsible editor: Zhao Yu Review: Wang Jinchen