????:1?????600?????:??9598???

2????????

3?????????

4?????????500???

5??????????

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

????,???????????,????????AC332??????????????,??????,?????????????????AG600??????????

??????????????????,??????C919?????????????,????????????,C919??????????50????????????????

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

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