Unmanned aerial vehicles put into use for spraying pesticide

0 Comment(s)Print E-mail Xinhua, June 20, 2020

A technician debugs an unmanned aerial vehicle near a rice field in Yingkou City, northeast China's Liaoning Province, June 19, 2020. Unmanned aerial vehicles were put into use for spraying pesticide in rice field management to enhance the efficiency in Yingkou. (Xinhua/Pan Yulong)


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