The effect of these factors which are analyzed by means of qualitative and quantitative analyses is the basis of reasonably designing of rice seedling puller.
The effect of these factors which are analyzed by means of qualitative and quantitative analyses is the basis of reasonably designing of rice seedling puller.
定性定量地分析研究这些因素对断伤秧的影响,是合理设计拔秧机的基础。