Air will pass through the wet cloth. The inside of the box will stay several degrees cooler than the outsideairtemperature.
空气穿过湿布,将使盒子内部维持低于室外的温度。
2
The inside of the box will stay several degrees cooler than the outsideairtemperature. And this may be cool enough to keep foods fresh, at least for a short time.
盒子里面将比外面空气温度低几度,这些对保持食物新鲜就足够,至少在短时间内。
3
This approach allows data centers to use outsideair when the temperature is cool, while falling back on chillers on warmer days.