民机研制是一项耗资巨大的复杂工程,波音、空客两大民机制造巨擘出于风险共担、获取市场、拓展融资渠道等方面的考虑,将越来越多的型号研制工作外包出去。空客A350XWB机体结构研制的外包比例达50%,波音787更是达到了民机产业研制全球化的最高水平,高达90%的机体结构研制工作由供应商完成。 Civil aircraft development is a costly complex project, Boeing, Airbus two major civil aircraft manufacturing giants for risk-sharing, access to markets, expanding financing channels and other considerations, more and more models of outsourcing work out . Airbus A350XWB body structure developed outsourcing ratio of up to 50%, Boeing 787 is reached the civil aircraft industry to develop the highest level of globalization, up to 90% of the body structure developed by the supplier to complete.