https://blog.wongcw.com/2023/05/09/%e5%96%ae%e5%83%b96-5%e5%84%84%e5%85%83%e7%ac%ac%e4%ba%8c%e6%9e%b6%e6%9d%b1%e8%88%aac919%e5%9c%8b%e7%94%a2%e5%a4%a7%e9%a3%9b%e6%a9%9f%e9%96%8b%e5%a7%8b%e8%a9%a6%e9%a3%9b/
單價6.5億元第二架東航C919國產大飛機開始試飛