2015年11月,中国国产大型客机C919总装下线,实现了国产中程干线客机技术突破。据报道,C919有望于年内实现首飞,2020年交付使用,从而打破波音、空客双寡头对国内大型客机领域的垄断。早在上世纪70年代,中国就曾自主研发出第一架大型喷气式客机运10,并完成多次试飞,成为中国航空工业的一座丰碑。虽然此后因种种原因,国产大飞机事业沉寂了 In November 2015, China-made large-scale passenger aircraft C919 assembly line off the assembly line, to achieve a technological breakthrough in domestic mid-range mainline passenger aircraft. It is reported that C919 is expected to make its first flight during the year, delivered in 2020, thus breaking the Boeing, Airbus duopoly on the field of domestic large aircraft passenger monopoly. As early as the 1970s, China independently developed the first large passenger jet 10 and completed several flight tests, becoming a monument to China’s aviation industry. Although for various reasons thereafter, the domestic large aircraft business was quiet