- Widespread fatigue damage(WFD) is an important concern in aging aircraft.
广布疲劳损伤(widespread fatigue damage,WFD)对老龄飞机是非常重要的问题。
- Corrosion prevention and control program are vital for the continued airworthiness of aging aircraft.
- The plane, a Russian-built Tupolev 154M jet from the 1980s, is an aging aircraft that is no longer allowed to fly over most western European airspace because of noise regulation s.
- The effect of MSD on lap joints in aging aircraft
- The drainage system has been aged.
- He prefers to assort with people of his own age.