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

2???????

3?????

4?2021?????????

5?????????

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

?????“??????”?

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

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

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