?????????????????

??1?29??????????????????? (??? ?)?????1????????29??,???,??????????????????

???????????????????????????????,??,??,????????

?????????????,???????60?4???????????????????,??????????3??????

??????,?21?????????????????,???????????????????

???????????????23???????????,??????

???????2009???,??????????????????????DHC-8??????????,??????45?????2???????2???????,???1???????????????????????(??) ?????????????????????????????:???