同义词
1)hydraulic oil pressure balance,液压油压力平衡2)pressure balance,pressure compensation,pressure equilibrium,压力平衡<液>3)counterweight hydraulic cylinder,平衡重液压油缸4)pressure-balanced valve,压力平衡的阀<液>5)Oil channel in pressure balancing,压力平衡油槽6)equilibrium reservoir pressure,油层平衡压力
