�??????�????

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

????11??12?? (?? ?)??????????(????)11??????12????????????,????????ARJ21?C909,?????????????2016???,C909?150???????????????,???1700???

??,????????????????C909????? ????? ????????????????????????

???????????????15????(?????)?,??????,??ARJ21?C909?????????????????????,????????�??????????+??�??????,?????????????3????????�??????????????C909��??C919�???????????????????�???C929�?

??,??????????????,?ARJ21?????,??�C909�,???????????????????????????????????,???????,???????

????,???,?????????C909?????????????????????????????????????,C909???,??????????????????????78?????????????????????90???95???97??;??????????????????????,????????