实施科技创新进一步提高农机推广工作水平實施科技創新進一步提高農機推廣工作水平 실시과기창신진일보제고농궤추엄공작수평 Implement Scientific and Technical Innovation and Raise the Farm Machinery Popularize Competence of Working Further
万方数据
农机推广与安全農機推廣與安全농궤추엄여안전 POPULARIZATION & SAFTY OF AGRICULTURAL MACHINERY 2003年1期20-21,共2页