The hydraulic amplifier is the hydraulic control system based on the theory of hydraulicdrive and automatic control.
液压放大器，是在液压传动和自动控制理论基础上，建立起来的一种液压控制系统。
2
A hydraulicdrive-train is attached with several powerful electricmotors and powered by hydrogen fuel cells.
Landstorm装有一个液压传动系统，与几个功率强劲的电动发动机相连，由氢燃料电池提供动力。
3
Bosch Rexroth will provide project engineering, shipment and installation of the complete hydraulicdrive and control systems, as well as the automation for the passenger boarding stations.