The large passengeraircraft is praised as "the flower of modern industry".
大型客机被誉为“现代工业之花”。
2
It might also be hard for airlines to co-ordinate the departure times and destinations of passengeraircraft in a way that would allow them to gain from formation flight.
航空公司可能也很难协调客机的起飞时间和目的地,使它们能够从编队飞行中获益。
3
Only experienced pilots fly large passengeraircraft.