【#Boom超音速客機】超音速民航時代來臨？紐約倫敦航程減半！2029年將取代次音速客機！| 寰宇#關鍵字新聞2021.11.26
寰宇#關鍵字新聞 Global Hashtag News · 寰宇新聞台
November 26, 20212m 2s
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