Have you seen any special vehicles on the apron?They are active in every corner of the airportLooks different in shape and can also "deform"These strange carsWhat exactly is its purpose?What are the places where cars have been used?Today, Dongdong will introduce everyone to youThese 'Transformers' on the apronHydrogen fuel luggage tractorThe 'Hercules' on the apronIn 2021, China Eastern Airlines successfully developed the first hydrogen powered luggage tractor for civil aviation, filling the gap in the field of new fuel cells. The vehicle relies on a pure electric chassis as the carrier...