搜索结果: 1-1 共查到“农学总论 thresher”相关记录1条 . 查询时间(0.062 秒)
Design, fabrication and performance of a motorized cowpea thresher for Nigerian small-scale farmers
Design fabrication thresher cowpea performance evaluation
2010/9/14
The results of the study as indicated by analysis of variance (ANOVA) show that there is highly significant effect (P ≤ 0.01) of variety on all the grains and pods measurement parameters except angle ...