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????????????1??????29?,??,????????????????(American Airlines)???????????AA5342?????????????????,?????????Bombardier CRJ700??????????,?60?????
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29?????????????,??(DCFD)?,????,????????
????????????????,???PSA??????????,??????????????????????????H-60(??????“???????”???????)?????????(?????? ????) ??????????????:????????????????????
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???????60? ?????“???????????????”??????????????????