第十五届北京国际航空展览会25日上午开幕，中国商飞公司携C919大型客机以及ARJ21新支线飞机模型参展。The 15th Beijing Air Show is opened on Wednesday. COMAC shows the model of C919-the first domestic made large passenger aircraft, and four different cabins of ARJ21@中国日报-财经
