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