...示经济性(Economics)、超常的乘坐恬静性和便当性(Extraordinary comfort and convenience)、环保机能(Environmental performance)和电子化体系(E-enabled)波音公司以为，波音7E7将为航空公司减低运营成本，创造更多利润，同时为搭客供给更恬静的客舱环境，和更...
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