The plate sedimentation method was used for sampling and its efficacy in disinfection of air was examined.

采用平板沉降法采样，检测其消毒空气效果。

youdao

The plate sedimentation method was used for sampling and its efficacy in disinfection of air was examined.

采用平板沉降法采样，检测其消毒空气效果。

youdao