【摘要】 工程机械液力传动系统工作油的选用正确与否，直接影响主机动力性和经济性的发挥。本文阐述了液力传动系统对工作油的要求、工作油的正确选用、鉴别及更换。更多还原

【Abstract】 Correct selection of the operating fluid in hydrodynaInic drive system of construction machines affects direCtly the dynandc performanee and economic of the machine. The requirements for operating fluid of hydrodynand drive, the correct selection, discrbonation and changC of the operating fluid are described in this paper.更多还原