combine harvester
6.The research situation and working principle of all kind of typical threshing and separating unit about cole combine harvester inside and outside were introduced, and researched on threshing、 separating system of cole combine harvester—the axial threshing、 separating system with combining line and saw tooth roller and grid concave.
9.The combine harvester is overall 3 packets of period of efficacy are 1 year; 3 packets of period of efficacy are main part 2 years, main part is to point to internal-combustion engine airframe, cylinder housing of casing of lid, flywheel, frame, gear-box, clutch, change gear case of machine, final drive to body.


