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甜菜纸筒育苗移栽机核心工作部件的理论分析
卢秉福 耿贵 杨骥
Theoretical Analysis on Kernel Part of Sugar Beet Paper Pot Seedling Transplanter
中国农学通报 . 2013, (32): 213 -215 .  DOI: 10.11924/j.issn.1000-6850.2012-3451