烏航墜機176死 烏克蘭總統：勿亂猜測空難原因

<img src="https://static.rti.org.tw/assets/thumbnails/2019/06/06/1ac7714a2d19e6edfef7766b662b0b30.jpg" width="360" alt="烏克蘭總統澤倫斯基(Volodymyr Zelensky)訪...