????:1???????:?????????

2??????????

3?92?95?94???

4???????

5???????100???

11???12????,?????????????15??(??)???????,?C929????,???????C919????ARJ21?????C909????130???????

?????????????????(????????????)?????????(????????????)?C929??,????C929????????

???????,C929???,??280?,?12000????????,?????????????

??C919??????????????C909?????60???????70????,????60????????C919?40???????????C909??????;??30???????????C909???????????,???????20?????????????10???????(???????????? ?? ??????????????? ??????????????)

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