精选优质文档-倾情为你奉上Design and Experiment of 4YQZ-3A Combine Harvester for CornZhang Xirui Dong Youfu Zhang Daolin(School of Mechanics and Electrics Engineering Hainan University Danzhou, China )资料个人收集整理,勿做商业用途AbstractDue to the problem of the low retrieving rate of straw while harvesting, fodder went sort in stock raising and to overcome the practical problem of corn harvester reaping both corn stalk and spike while in operation, 4YQZ-3A combine harvester was designed, analyzed and the