Abstract To survey the purifying effect of the tunnel air purification device on typical volatilie organic substances.
目的观察研制的坑道空气净化装置对多种挥发性有机物的净化效果。
2
A simple filtering and oil-recovery device for purifying the mould cooling air containing large amount of oil fumes in the exhausting pipelines has been described.
介绍了一个简单的过滤和油回收装置，用于带油烟的模具冷却凤排放时进行净化和油回收。
3
The utility model relates to a circulating water purifyingdevice for air conditioners, warming or other circulating water systems.