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[高分] 学位论文 Tillage Tool Factors Affecting Sandy Soil Interaction With Plane Blades in a Soil Bin
影响土壤仓中沙土与平面叶片相互作用的耕作工具因素
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其它 | Onwualu, A.P., 1991. Tillage Tool Factors Affecting Sandy Soil Interaction With Plane Blades in a Soil Bin. PhD Thesis. Technical University of Nova Scotia, Halifax,Canada, Halifax, Canada 471 pp |
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