Số mô hình
Dfl470l470l470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470470