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１ 设计思路南方扳田油菜种植都须先开沟，以利排水，而开沟作业劳动强度大，费工费时；在南方，８－８ｋＷ手扶拖拉机及配套的旋耕机较多，利用旋耕机刀轴为动力源，设计开沟机，将大大降低机具成本，另外，在开沟机的基础上通过加装附件的办法，改装成起垄机，则起到了一机?
1 design ideas South fields Tian rape must first ditch, to facilitate drainage, and ditching work labor-intensive, time-consuming work; in the south, 8-8kW walking tractors and supporting more rotary tiller, the use of spin Tiller shaft as the power source, design ditching machine, will greatly reduce the cost of the machine, in addition, based on the ditching machine through the installation of accessories approach, converted into a ridging machine, then play a machine?