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 (共 282 字) [閱讀本文] >>


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