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本文重点分析东方红－１５０拖拉机传动箱阻尼减振降噪，确定阻尼涂层的最佳位置，选择阻尼层的结构及厚度，对比阻尼处理前后的降噪效果。
In this paper, we focus on damping damping and noise reduction of Dongfanghong -150 tractor gearbox, determine the best position of damping coating, choose the structure and thickness of damping layer, and compare the noise reduction effect before and after damping treatment.