Unmanned aerial vehicles have replaced humans in an arduous inspection of 90,000-km power transmission lines, many of which are situated deep in the mountains of southwest China.
Produced by Xinhua Global Service■
Source: Xinhua
Editor: huaxia
2022-12-05 14:08:46
Unmanned aerial vehicles have replaced humans in an arduous inspection of 90,000-km power transmission lines, many of which are situated deep in the mountains of southwest China.
Produced by Xinhua Global Service■