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1）油温过高，油液粘度降低，油缸或油马达运动速度变慢，使农具提升缓慢，回油机构汉有工作

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防止液压油温度过高。在工作过程中，如果发现液压没温度过高，必须及时查找原因加以排除，否则将产生如下不良影响和后果