China's homegrown large UAVs rush to support flood-season rescue
BEIJING, July 25 (Xinhua) -- China's homegrown large civil unmanned aerial vehicles (UAVs) are moving swiftly to support the fight against torrential rains, typho
BEIJING, July 25 (Xinhua) -- China's homegrown large civil unmanned aerial vehicles (UAVs) are moving swiftly to support the fight against torrential rains, typho