经过十年努力，部分分析家相信，中国终于开始用上了自己的涡扇发动机，这一先进战机不可缺少的技术。
After decades of effort, some analysts believe, China is finally beginning to use its own turbofan engines, an essential technology for advanced fighters.
由普惠提供的解决方案，是名为PurePower PW1000G的齿轮传动涡扇发动机。 普惠是联合科技集团的一个分公司。
The solution devised by Pratt & Whitney (P&W), a division of United Technologies, is a “geared turbofan” engine called the PurePower PW1000G.
相较上世纪六十年代声音巨大的喷气式飞机一台现代的涡扇发动机噪音水平降低了80%油耗也下降了一半同时温室气体排放量也有所下降。
Compared with a rowdy 1960s jet, a modern turbofan is some 80% quieter and burns as little as half as much fuel—thus producing fewer greenhouse gases.
应用推荐