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由中航工业与东航共同出资10亿元组建的幸福航空8月15日成功首航。幸福航空运营初期,将以具有完全自主知识产权的新一代涡桨支线新舟系列,以及涡
Air China Aviation and China Eastern jointly funded the formation of 1 billion happy Air August 15 successful maiden voyage. Happy air operations early, will have completely independent intellectual property rights of a new generation of turboprop branch new boat series, and vortex