?1??????????29??? (??????????????????? ???)???1???????????????29??????????????????????,??,??????
????????,?????????????,????,???
???,??????????60???????4???????????????,?3??????????????????
?????,????21???????????????????????????????????????????,??????
???23??,??
??2009????????????????????????????,??????????????????????DHC-8??????,?45??2??2??????????????????,??1???????(???????) ???????????????????:????????????????
????:???????5%????????5.5%…
???????:“????”?????????
?????:?????????????
????????????:???????
?????????10%????????????10…
2017???????:????????????6.…
????:???????5%????????5.5%…
?????????????????????
???????????????????:???
????9.6????????????50%??
??????????:???????????
?????????????????????
????:???????5%????????5.5%…
???????????????????
???:?????????????????
?????????35.6????????????
?????????10%????????????10…
?????????????9????????
????????????:???????
???????????????“??”??
?????:?????????????
?????????35.6????????????
3?13??????????????
??????????????????????????…
??:???????????????????