????:1???????????:???????????

2???????

3?????????

4??????50???

5??????????

????2??????????????????????20????????????? (????????????????????)?????????20??100?767-300????(BCF)?????,???????????767-300BCF?????????

?767-300BCF??????????????????,???,?????????,??????,??????767-300BCF??3?????

??????????100?????????767-300??(BCF)????(? ?????????????)

???,????2016??767-300BCF?,?????????

??????(Doug Backhus)?????????,767-300BCF?,?????

????????,767-300BCF??????,??????????????56.5??????,??3345??????(6190????),??????????????????????,???????(??????????????????????)

???????????:????