For the long time,the level of process planning and managing of domestic aeroengine is behindhand.It influences the development of the domestic aeroengine.
英
美
- 但长期以来,国内航空发动机制造企业的工艺设计与管理水平比较落后,这在很大程度上影响和制约了国内航空发动机的发展。