Carries out a purification experiment for controlling pollutant source and removing indoor air pollutants.

从控制污染源和消除室内空气污染两方面进行了净化试验。

youdao

Carries out a purification experiment for controlling pollutant source and removing indoor air pollutants.

从控制污染源和消除室内空气污染两方面进行了净化试验。

youdao