鲁西北植棉区棉花产业现状及新旧动能转换对策
于谦林,钟振江,刘海霞
鲁西北植棉区棉花产业现状及新旧动能转换对策
Situation of Cotton Industry and Countermeasures for Conversion of Old and New Kinetic Energy in Cotton Planting Area in Northwest of Shandong Province
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