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液压机械是通过流体能进行工作的设备和工具。在这类设备中,液压油通过液压泵以很高的压力被传送到设备中的执行机构。而液压泵由发动机或者电动马达驱动。通过操纵各种液压控制阀控制液压油以获得所需的压力或者流量。
Hydraulic machinery is the equipment and tools that work with fluids. In this type of equipment, the hydraulic fluid is delivered by hydraulic pumps to the actuators in the plant under high pressure. The hydraulic pump is driven by an engine or electric motor. Control hydraulic oil by manipulating various hydraulic control valves to achieve the desired pressure or flow rate.