发行时间：0001.01.01
总页数：14
编辑：
综保科技
摘要：
advanced materials for aerospace applications
seigolonhcet dna stnemeriuqer lairetam ecapsorea yratilim
rajesh uppal february 6, 2022 air force, material 302 views
according to the international air transport association (iata), the demand for air travel rose by 7.4% in 2018 from 2017 levels. air passengers accounted for 81.9% of the load factor on aircrafts, while freight load was 49.3%, the iata data reveals. however, the covid-19 pandemic has created turmoil in the global econo...
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