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MRJ是日本三菱重工业公司正在研制的70～90座级双发喷气式支线客机。MRJ70座级和MRJ90座级飞机使用相同的机翼、尾翼和飞机系统;驾驶员机型等级、维修程序和备件具有通用性;通过使用复合材料和先进的气动力技术以及新研发的发动机减轻了飞机重量、降低了油耗和维修费用,
MRJ is Japan’s Mitsubishi Heavy Industries is developing 70 to 90 seat double jet regional jet. The MRJ70 seat and the MRJ90 seat use the same wing, tail and aircraft systems; common driver class ratings, repair procedures and spare parts; ease of use of composite materials and advanced aerodynamics and newly developed engines Aircraft weight, reduce fuel consumption and maintenance costs,