浅谈如何适应农业产业结构调整加快栖霞市农业机械化的发展与管理淺談如何適應農業產業結構調整加快棲霞市農業機械化的髮展與管理 천담여하괄응농업산업결구조정가쾌서하시농업궤계화적발전여관리 Discussion on How to Adapt to the Structure Adjustment of Agriculture Industry, and Quicken the Development and Management of Agriculture Mechanization in Qixia City
