Ko'plab to'g'onlar va gidroelektrotexnika sohasi muhandis va me'morlar tomonidan ishlab chiqilgan.
© Chloroformzt Official - Est 2009
10 Qiziqarli Fakt About The architecture and engineering of dams and hydroelectric

10 Qiziqarli Fakt About The architecture and engineering of dams and hydroelectric