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在拖拉机旋耕机组土槽实验的基础上，确定了旋耕机组动态载荷的性质，建立了拖拉机旋耕机组单刀耕耘转矩的数学模型。实测结果表明，该模型是可信的。
Based on the experiment of soil trough in tractor rotary cultivator, the dynamic load characteristics of rotary cultivator are confirmed, and the mathematical model of single tilling tilling torque of tractor rotary cultivator is established. The experimental results show that the model is credible.