thresher

1.a thresher of grain.

一个打谷者

2.A vertical shaft thresher has been developed to meet the need for harvest mechanization in the hilling regions of South China where the double-cropping system (paddy and wheat) is practiced.

针对南方丘陵稻麦两熟地区分段收获机械化的需要，研制出立轴式脱粒机。