A single - direction valve controlled by liquid, an accumulator and hydraulic pumps can be used to keep pressure in hydraulic systems.
液压系统可以采用液控单向阀、蓄能器、液压泵等多种形式实现保压。
In the hot water system a high water tank with solenoid valve controlled water feeder is used to replace the secondary circulating pump.
热水系统中，采用电磁阀根据水箱液位进行补水，省去二次循环泵。
Because of the simple structure and small spatial volume, valve controlled asymmetric cylinder is widely applied in hydraulic servo system.
阀控非对称缸由于结构简单、空间体积小，广泛地应用于液压伺服系统中。
Its character is that through the adjustable valve controlled by inspiration and expiration, it offers and halts oxygen supply. The utilization rate of oxygen is over 98%.
其主要特点是通过调控装置可使吸气时供氧，呼气时暂停供氧，故使氧的利用率高达98%以上。
The synchro accuracy of two spinning wheels of spin forming machine can he obtained by using the synchro system of valve controlled pump-motor, therefore the quality of workpiece is ensured.
利用阀控泵-马达同步系统可以保证旋压机两个旋轮的同步精度，以保证旋件的质量。
Introduces the working principle and the method of the selection about the type ZY47 Valve controlled by the pressure difference, and analyses its adaption condition.
介绍了ZY 47型自力式压差控制阀的工作原理和选型方法，分析了不同被控环路系统的适用条件。
This paper deals with a closed-loop digital control for a hydraulic valve, controlled motor speed system.
研究了用位总线微机构成的液压阀控马达速度闭环数字控制系统。
In this paper, the main characteristics of intelligent protector of valve - controlled lead - acid batteries applied in diesel locomotives are expounded, and its necessity is discussed.
阐述了内燃机车用阀控式密封铅酸蓄电池智能保护器的主要技术特性和加装智能保护器的必要性。
The physical model and the linear mathematical model of a typical servo valve-controlled tilting car are built up.
建立了典型伺服阀控摆式车辆动力系统的物理模型和线性化数学模型。
The friction mechanism of the valve-controlled cylinder system and the adverse effect of friction on the system control performance were analyzed.
针对阀控缸系统的摩擦力对系统控制性能造成的不良影响，提出了一种新的减小摩擦力影响的补偿方法。
In this paper, the electro-hydraulic servo system is valve-controlled motor, mainly include electro-hydraulic servo valves, amplifier, hydraulic motors, and other feedback components.
本文中电液伺服系统为阀控马达系统，主要包括电液伺服阀、放大器、液压马达、反馈元件等。
The development, application of GNC170-(5) valve-controlled extra-high-rate Cd-Ni alkaline battery for starting diesel locomotive are presented. The starting performance is satisfactory.
介绍了供内燃机车起动使用的GNC170 （5 ）阀控式镉镍超高倍率碱性蓄电池的研制及应用，及其优良的起动性能。
The development, application of GNC170-(5) valve-controlled extra-high-rate Cd-Ni alkaline battery for starting diesel locomotive are presented. The starting performance is satisfactory.
介绍了供内燃机车起动使用的GNC170 （5 ）阀控式镉镍超高倍率碱性蓄电池的研制及应用，及其优良的起动性能。
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