?? 16??C919“??????????????”??????

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????,????????????????????????????????????????????????????,?,????????????,???????????????????????“??????”????800????????,???600?????????????

????????????????????????????????????,?1200?????

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16??C919???

????????,????????????16?????????????C919???????,???C919????????????

?????,??10??C919??,??????????????????????3??C919??,?????????????????????????????????????????5??,???????400????????????3???C919??????,?????????????????????????????????????????????????4??????????????

??,???C919???????????????,?????????????????????,????,????????????????

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??????? 16??C919“??????????????”???????????

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