9CaKrnJJK38 mil.huanqiu.comarticle歼20试飞4年已有重大改进 先进程度比肩F22/e3pmh1dm8/e3pn4mifc1428538320000环球网版权作品,未经书面授权,严禁转载或镜像,违者将被追究法律责任。责编:范辰言环球网142853832000011[]//himg2.huanqiucdn.cn/attachment2010/2015/0409/08/26/20150409082604462.jpg