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波音正在研制波音777的改型和将要研制波音747的静音型,空客也在研制A380和A318。为在这一动力市场抢占一席之地,三大发动机制造商推出了他们各自的新发动机
Boeing is developing a Boeing 777 variant and a Boeing 747 that will be developed as a silent model. Airbus is also developing the A380 and A318. To seize a place in this power market, the three major engine manufacturers have launched their respective new engines