www射-国产免费一级-欧美福利-亚洲成人福利-成人一区在线观看-亚州成人

Home

Farmer builds own drones to spray crops

Updated: 2014-03-20 19:55 (chinadaily.com.cn)
Comments
Farmer builds own drones to spray crops
Zhang Aiguo (right) prepares to fly a drone in a field in Changsha, Central China's Hunan province, March 20. In 2009, Zhang, who used to be a farmer, leased about 2,000 mu (133 hectares) of cropland with his friend in Xiangtan county, Hunan province, and they bought a drone to spray pesticides on the field last year. Zhang found that this was a very efficient method, and he then designed and made several drones based on the one they had bought. He simplified the control system and installed engines brought online. [Photo/Xinhua]
Farmer builds own drones to spray crops Farmer builds own drones to spray crops Farmer builds own drones to spray crops

Amazon.com sees delivery drones

German DHL testing delivery drones

Drones' uses raise new privacy issues

Previous Page 1 2 3 4 5 6 Next Page

Most Popular
...
主站蜘蛛池模板: 三级全黄的全黄三级三级播放 | 欧美一级三级 | 一级做a爱过程免费视频麻豆 | 日韩美女网站在线看 | 日韩精品视频一区二区三区 | 久久国产精品免费看 | 日韩在线三级 | 在线视频日韩精品 | 精品久久久日韩精品成人 | 香蕉视频1024 | 91视频国产91久久久 | 国产精品自在线 | 久久精品视频6 | 欧美成国产精品 | 国产精品视频男人的天堂 | 国产普通话一二三道 | 日韩精品久久久免费观看夜色 | 亚洲综合成人网在线观看 | 久久99亚洲精品久久99 | 久久男人天堂 | 手机福利片 | 欧美一级永久免费毛片在线 | 亚洲精品日韩专区在线观看 | 欧美一级淫片免费播放口 | 欧美成年人网站 | 久草视屏 | 日韩专区亚洲精品欧美专区 | 成年人在线观看免费 | 国产日本在线视频 | 国产高清视频在线观看 | 朝鲜美女免费一级毛片 | 日韩一区二区在线免费观看 | 五月色婷婷综合开心网亚 | 国产精品日韩欧美在线第3页 | 91亚洲精品国产第一区 | 久久久久爽亚洲精品 | 国产亚洲精品午夜高清影院 | 免费黄网大全 | 亚洲色视频在线播放网站 | 成人97| 成年人午夜影院 |