十年代中期以后，大部分大的航车公司已为他们新订购的新一代大型商用飞机选好了发动机，这使商用飞机发动机市场份额竞争趋于平稳。但这种平稳只是暂时的，欧美之间在发动机上的商战总处于一触即发的状况。最近，波音公司打算启动越远程波音777－200X／－300X计划，并选美国GE Since the mid-10s most of the major carriers have selected engines for the new generation of large commercial aircraft they have ordered, stabilizing the market share of commercial aircraft engines. However, this kind of smoothness is only temporary. The commercial war between Europe and the United States on engines is always at an explosive situation. Recently, Boeing intends to launch the more long-range Boeing 777-200X / -300X plan and select the United States GE