中日韩欧美黄色片|日本理论片在线播放|黄色网址免费在线|精品视频h|在线色播

EFB支架設計、改裝方案設計、改裝器材包設計和制造、改裝施工、適航取證Component design and manufacture, aircraft modification design, modification kit design and fabrication, aircraft modification, airworthiness certificate.A320 series、A330 、B737NG、B747、B757