Newly-packed room smells after summer

In summer, air pollution in the room is more serious because of lower air pressure and slower indoor air movement. Director Song Guangsheng, director of the National Indoor Quality Supervision Center, believes that people use air conditioners throughout the summer to close the doors and windows of

Newly-packed room smells after summer

In summer, air pollution in the room is more serious because of lower air pressure and slower indoor air movement. Director Song Guangsheng, director of the National Indoor Quality Supervision Center, believes that people use air conditioners throughout the summer to close the doors and windows of