-
Ukuhlolwa kwamanzi kwesithiyo sokucindezela ngemuva kokufakwa
Iphrojekthi ngayinye izohlolelwa amanzi ngokwamukelwa ngemuva kokufakwa.
Ukuhlolwa KwamanziyeHydrodynamic othomathikhi izithiyo eBeijing metro.
Iphrojekthi ngayinye izohlolelwa amanzi ngokwamukelwa ngemuva kokufakwa.
Ukuhlolwa KwamanziyeHydrodynamic othomathikhi izithiyo eBeijing metro.