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??????????????7?????????7?????????????????????????????,??,????????????????????

??????????6???30?,?,???????????2.44????????????????,?????????3???4.55???,????

2018????????10??2019????3??????????????,????????,???????????????346?,?????737 MAX 8???

2021?1???????????????,??,?,??????????,?25????????????????1????7?????????

????5???14??????????????????,??,????2021???,???????????????????????????????7???????????????????7?????????,???????????(????? ???????)

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