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

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

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

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

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

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

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

??

??:???????????,??????????,??????????????