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对工程机械液压系统污染的原因和特性进行了分析 ,提出合理选择滤油器的滤油比可有效降低系统污染度及控制液压系统污染的具体措施
The causes and characteristics of the hydraulic system pollution of construction machinery are analyzed, and the reasonable measures to choose the oil filter of the oil filter can effectively reduce the system pollution degree and control the hydraulic system pollution.