a device that reduces the temperature of the air in a room by drawing it in and filtering it through water 空气冷却器；冷风机 Air coolers are the ideal solution for the summer. 空气冷却器是应对夏日的理想解决方案。 Unlike air coolers that put moisture into the air, air conditioners actually remove moisture. 与增加空气湿度的冷风机不同，空调会抽走空气中的水分。