国产一级免费电影,国产自产在线视频一区,国产一区亚洲,久久国产精品视频,日本美女天天操b,九色激情,成年轻人网站色直接看

Experts introduce agricultural techniques to farmers in N China's Hebei

Source: Xinhua| 2017-12-27 15:37:27|Editor: Lifang
Video PlayerClose

CHINA-HEBEI-AGRICULTURE(CN)

Forester Guo Yankai (1st R) introduces the pruning techniques to farmers in Beizhangzhuang Village of Dongdaigu Township of Weixian County, north China's Hebei Province, Dec. 26, 2017. (Xinhua/Mu Yu)

   Prev 1 2 3  

KEY WORDS: techniques
EXPLORE XINHUANET
010020070750000000000000011100001368550641