国产热热热精品,亚洲视频久久】日韩,三级婷婷在线久久,99人妻精品视频,精品九热人人肉肉在线,AV东京热一区二区,91po在线视频观看,久久激情宗合,青青草黄色手机视频

Applying compact planting cultivation technology, farmers of Dongli village, Shuangcheng city of Northeast China's Heilongjiang Province, are sowing corns on April 17. Heilongjiang, China's largest grain production base,overcoming severe drought and farming tools and materials prices rise, has started spring ploughing and sowing yesterday.[Xinhua]