Meinten Sie:
person:("wang dongyang")
Tire capable of indicating tire puncturing position and tire puncturing judgment method
Heat dissipation structure and electric vertical take-off and landing aircraft
Opening and closing propeller and electric vertical take-off and landing aircraft
Vehicle air conditioner air chamber and vehicle with same
Foldable fixed-wing four-rotor composite unmanned aerial vehicle and control method thereof
Automatic defogging system for automobile air-conditioner and automobile