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

2????????

3???????

4?????

5??????

???????????????????“??”

??9????????????????28??? ??????????????????:??????“?????????????????????????????”

?? ?????

“?????????350??,???????????????????”

????27??,?,??????

???9??27????,?,????????????“???????:?????????”?????? ??????????????????????????? ????????? ????????????????

????,????“?????????????????????:?????????”???

?????,?,60?????????“????????????????????”???????????????????C919???????????????……????????????????????????????????????????????????????

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

?????????????????????9?27????????????????,?????????????????,????????“???????????????:??????????”???????????????????????? ????? ???????? ??????????

“??????????????”??????,“?????????????????????????????????????????????????,?????????????????????‘?????????????’?”

???,???????,????????,“???????????????????????????????????,???????????????????????????”

????????????????????????,???????????????????“?????”?????,“????,????”

“??????,??‘???????????’?”??????????,?????????????????????????????,????????????,“????????????,??????????”

?,?????“??”?,????????????

“??????,??????????,?????”?????????????????????,“?????,???????????????????”

“?????????????????,??,?????????”??????????????????,???????“?????????,??,??????????????”????,“???,????,?????????????????”(???)

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