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

2???????????

3?????

4???2021??

5???????

?1?????????????29??,?,?????????????????????(American Airlines)????AA5342???,??????Bombardier CRJ700????,??60?????????????

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29????????,??????????????(DCFD)??,???????????,??????????????

???????????????????????,?????????????PSA????????????????,???????????????????H-60(?“???”???????)???????(??????????? ?????????) ????????:????????????????????