Ключевые слова: 2018, activity, air freight, air show, aircraft, aircraft flight show, aviation, business activities, china, china international, civil aircraft, civil powered umbrella, civil use, communicate with, cooperation, double air show, engaged, exhibition, experience, expo, flight, general aviation, hebei province, modeling, navigation industry, outside, performance, platform, powered parachute flight show, powered umbrella, public, shijiazhuang city, show, skill, speed, speeding, wucheng district, yucheng airport,