air purifier

• 空气滤净器,空气净化装置

air purifier的用法和样例：

例句

1. The successful development of this test bed guarantees the maintenance quality of air source purification plants and the reduced failure of air systems.
   该试验台的研制成功，对提高风源净化装置的检修质量和降低空气系统故障起到了保障作用。