防武漢肺炎病毒傳播 中國官員用無人機阻人群聚集

<img src="https://static.rti.org.tw/assets/thumbnails/2019/09/27/cc275f6d7b0379da006827c5c202c2fb.jpg" width="360" alt="無人機(drone) (pixabay圖庫)" title=...