Hong Changyin. THE CALCULATION OF THE UPPERCARRIAGE OPTIMUM SWING SPEED FOR HYDRAULIC EXCAVATOR DRIVEN BY VARIABLE DISPLACEMNT PUMPS[J]. Journal of Civil and Environmental Engineering, 1989, 11(2).
Hong Changyin. THE CALCULATION OF THE UPPERCARRIAGE OPTIMUM SWING SPEED FOR HYDRAULIC EXCAVATOR DRIVEN BY VARIABLE DISPLACEMNT PUMPS[J]. Journal of Civil and Environmental Engineering, 1989, 11(2). DOI: 10.11835/j.issn.1674-4764.1989.02.004.