未脱净 meaning in English

underthreshing

The conclusion indicated that the effect of flexible pole tooth on threshing was better compared to rigid teeth ' s , since production efficiency was increased and the damage rate was reduced distinctly , furthermore , the un - threshed rate , impurity and power take - off frequency gotten were decreased
结果表明，相对其他脱粒齿而言，柔性杆齿质量轻，种子破碎率显著降低，未脱净损失减少，含杂率降低，发芽率高。