Ключевые слова: automobile, business, car, china, connection, conservation, costs, cylinder, electrical, energy, engine, environment, environmental, equipments, flange, fossil, fuel, gas, gasoline, gear, generation, global, indicator, industry, instrument, manufacture, natural, ngv, nozzle, oil, petrol, pipe, piston, power, safety, screw, station, tank, truck, tubes, valve, vehicle, workshop,