采用双滚筒脱粒装置是改善脱粒和分离性能的途径之一。苏联已经在生产具有两个前后配置的纹杆滚筒脱粒装置的西比里亚克和科络斯联合收割机(在收获水稻的变型上,第一滚筒为钉齿滚筒),在两滚 The use of twin drum threshing devices is one of the ways to improve threshing and separating performance. The Soviet Union is already producing a combination of the Siberian and Colossens combine harvester with two front-and-back grain roller drums (the first roller is a pinion drum on a variant of the harvested rice)