超级欧美三级欧美一级/污污成人一区二区三区四区/国产精久久一区二区三区/就去吻亚洲精品国产欧美

系統線路連接設計，部件安裝結構設計和分析，改裝包器材設計和制造，適航取證測試，包括系統功能測試、電磁干擾測試及飛行測試。System circuits connecting design, structural design and analysis of components and parts installation, design and manufacturing of modified package equipment, airworthiness certification test,  including system functional test, EMI test and flight test.