6.5 Hydraulic oil

The mineral oil type hydraulic oil shall be used as the workingmedium for hydraulic hoist, and the L-LM, L-HM, L-HV and L-HShydraulic oils with viscosity grades of 32 to 68 in GB/T 11118.1 shallbe selected. Specific viscosity grade and application conditi ......（本文共 282 字 ）     [阅读本文] >>