What does the total quality of the tractor mean?
Truck：Service quality: the quality of the vehicle itself (of various liquid containers according to the standard fill)Approved quality: the vehicle design specifies the standard quality of the goods to be loadedTotal quality: service quality + permitted weight + quality (cab seat occupant number x65kg)
Passenger car：Service quality: the quality of the vehicle itself (of various liquid containers according to the standard fill)Approved quality: passenger seat number x75kg (including luggage)Total quality: service quality + permitted weight +65kg
