In most fluid power hydraulic systems,the speed and force of a load are controlled using valves to throttle the flow and
问题描述：
In most fluid power hydraulic systems,the speed and force of a load are controlled using valves to throttle the flow and control the hydraulic pressure or reduce the flowrate.
答
在大多数流体动力液压系统中,使用阀门节流控制负载的速度和力量,并且控制液压或减少流量.