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

????:?????????:??????100?

????(7??2??),??ARJ21?,?????

???9????????????????30?????,????????“??????”????????????????????ARJ21?????????????????,???????1?????,??,????

??????,???????????2438????????????3258.4?????????????,?,?????????????,??????????????????????????????????????????????????,?????????????????????,?1?????,??????????????????????

ARJ21??,??????????????????????????7897???,????22253700???

(????????????? ?? ?????) ???????:??