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标题: ????????????? ???????? [打印本页]
作者: ??? 时间: 2019-9-27 14:43
标题: ????????????? ????????
??: ??/??: 2019-09-26
????9?25????????????????????????25???????????????????????????????????????????
????9?25??????????????????????
?????????????????70????????VCG?
?????????????????????????VCG?
????????????????????VCG?
?
??????????????????VCG
???????????????????????????????????????????????
?????????????????????????????????International Air Transport Association????????20????????????????16????????????????
?????????2035????450?????????2018????????
?????????????????????Boeing?????????Airbus????
??????????????????????60%?????????????????????
?????????????????????????????????????????????????????????????6%??????
????????????????????????????????????????????????
????9?25?????????????????????????????????????????????????
???????????????????????????????????13? ?????2020?10??????
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