Emergency shutdown valve is in a kind of hydraulic control valve.
紧急关闭阀是水力控制阀中的一种。
Use security device of hydraulic control valve to ensure the safety.
使用液控单向阀的安全装置，保证安全；
The operation principle and control method of electro-hydraulic digital servo valve are first introduced.
介绍了一种直动式电液数字伺服阀的结构原理及其控制方法。
Remote control float valve is a hydraulic operation valve with multiple functions.
进口遥控浮球阀是兼具多种功能的水力操作式阀门。
Hydraulic control technology: hydraulic direction, pressure, flow control valve, proportional valve, ball valve.
液压控制技术：液压方向、压力、流量控制阀、比例阀、球阀。
The structure and principle of numerical control hydraulic servo valve;
数控液压伺服阀的结构和工作原理；
The Research on the Electro-hydraulic Control System with High-speed ON/OFF Valve;
研究了一种利用高速开关阀对节气门进行电子控制的系统方案。
The Research on the Electro-hydraulic Control System with High-speed ON/OFF Valve;
研究了一种利用高速开关阀对节气门进行电子控制的系统方案。
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