通过仿真实验得出
Through the simulation experiment
以上为机器翻译结果，长、整句建议使用 人工翻译 。
通过直管障碍的仿真实验，得出了牵引器在直管中越障时各组件的工作状态、直管越障阻力与设计牵引力的比例关系。
By simulation of the tractor in straight oil pipe with obstacle, discussed the working situation of components and the relation between drag force and the force need to cross obstacle.
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