???????????????60????? ?????“??”?

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

???????????“?????????”?

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

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