目的：了解板蓝根空气清新剂在室内空气消毒的实际效果。

Objective: Understand the actual effect of indoor air disinfection with the air refreshing agents of Radix Isatidis.

youdao

目的：了解板蓝根空气清新剂在室内空气消毒的实际效果。

Objective: Understand the actual effect of indoor air disinfection with the air refreshing agents of Radix Isatidis.

youdao