4.7 Hydraulic medium

4.7.1 Hydraulic medium shall have the properties of good lubricity,antioxidant, rust resistance and no corrosion to metal, shear stability,compatibility with sealing materials, defoaming and antifoam.4.7.2 Mineral oil type hydraulic oil shall be used as h ......（本文共 836 字 ）     [阅读本文] >>