source of impact the position of which in space is not vary in a considered period of its activity.
Qidiruv
«Source of the environmental impact, stationary» boʻyicha 1 ta natija: Oʻzbekchaga
«Source of the environmental impact, stationary» boʻyicha 1 ta natija: Oʻzbekchaga
source of impact the position of which in space is not vary in a considered period of its activity.