急需一个液压阀的英文产品介绍，哪个高手帮忙一下谢谢

中文：液压阀是一种用压力油操作的自动化元件，它受配压阀压力油的控制，通常与电磁配压阀组合使用，可用于远距离控制水电站油、气、水管路系统的通断。
英文：The hydraulic valve is one kind with the pressure oil operation automated part, it is matched presses the valve pressure oil the control, usually matches with the electromagnetism presses the valve combination use, may use in the remote control hydroelectric power station oil, the gas, the water circuitry's make-and-break.