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The increase of lug height may result in the improvement of drawbar pull and driving efficiency.
增加齿高可以提高牵引力和驱动效率。
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The predicting formula of the drawbar pull of driven wheels running on the sand is obtained by model test.
通过模拟试验，得出了驱动轮在砂地上行驶时的挂钩牵引力预测公式。
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