Latest Breaking News On - Xian lintong district technology - Page 1 : comparemela.com

　　日前，西安市临潼区科技局邀请中国农村技术开发中心和美国辉瑞动物保健公司，在该区举办了为期两天的科学奶牛技术培训班，临潼区各街办奶牛养殖大场、养殖小区的法人和技术人员，以及来自渭南市六个区县的奶农代.

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