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我们知道，地下水常年保持摄氏１０℃至１５℃之间的较低温度，而夏季我国大部分地区白天的气温高达３０℃上下，两者的温差达到十几摄氏度至二十几摄氏度。悬殊的温差，为我们提供了可利用的天然制冷介质。天然节能空调的基本原理，就是把地下水当作制冷剂，利用地面气温与地
We know that groundwater maintains a relatively low temperature of between 10°C and 15°C all year round. During most of the summer, daytime temperatures in most parts of China reach as high as 30°C. The temperature difference between the two ranges from a dozen degrees Celsius to two dozen degrees Celsius. The disparity in the temperature difference provides us with natural refrigerants that can be used. The basic principle of natural energy-saving air-conditioning is to use groundwater as a refrigerant and use ground temperature and ground.