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歼8Ⅱ是由沈阳飞机研究所设计、沈阳飞机工业(集团)有限公司制造的新型高空高速全天候歼击机。歼8Ⅱ飞机是在歼8飞机基础上发展的,较原型机做了重大改进;飞机采取两侧进气方式,为换装大口径的雷达提供了空间;换装2台涡喷13A发动机,加大了推力,提高了中低空机动性;增加了外挂武器,使飞机具有全天候拦射能力并兼有对地攻击能力。1983年投入
J-8II is designed by Shenyang Aircraft Research Institute, Shenyang Aircraft Industry (Group) Co., Ltd. to create a new high-altitude high-speed all-weather fighter. The F-8 aircraft developed on the basis of the F-8 aircraft and made a significant improvement over the prototype aircraft. The aircraft adopted air intake on both sides to provide room for the replacement of large-caliber radars; the replacement of 2 turbojet 13A engines, Great thrust, increased mobility in the low-altitude; added plug-in weapons, the aircraft has a 24-hour ability to block and both ground attack capability. In 1983 investment