Trees sin parks reduce air pollution and water pollution to help keep cities cooler.
公园中的树木可以减少空气和水污染，让城市清爽。
2
In order to achieve better cooling, water-cooled air compressor machine adopts the high efficient water cooler. Its features.
为了达到更好的散热效果，水冷式空压机采用了高效的水冷却器。其特点。
3
The closed cooling system for the treated water provided with a aircooler can improve coo-ling effect. It becomes an important measure to increase the blast furnace campaign.