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