| ground water |
Water that is trapped underground in an area of porous material. Most wells tap ground water. This water recharges slowly and is difficult to clean if it becomes contaminated.
출처: www.ctic.purdue.edu/kyw/Process/Glossary.html
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| ground water |
Water found in the spaces between soil particles and cracks in rocks underground (located in the saturation zone). Ground water is a natural resource that is used for drinking, industry, and growing crops.
출처: www.delawarewatersupply.com/pages/glossary.htm
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