It is foundthatthe efficiencyand safetyof conventionalhy-draulicjacksarepoorafteranalyzingtheirworkprinciple.On thisbasis,a highlyefficientandsaferhydraulicjackisdesigned.
It is foundthatthe efficiencyand safetyof conventionalhy-draulicjacksarepoorafteranalyzingtheirworkprinciple.On thisbasis,a highlyefficientandsaferhydraulicjackisdesigned.