three-position valve

Empty three-position valve accommodating five ports.

排空三个位置的放气阀,它调节五个通道.

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Integrating the principle with characteristic of regulating valve, several problems of three-way valve used in air conditioning water system are analyzed. The resolution method using two-way valve is put forward.

结合调节阀的原理及特性，分析了三通阀在空调水系统应用中的问题，提出了采用二通阀的解决方法。

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According to structural characteristics of a flapper valve, flapper valves, butterfly valves, ball valves, diaphragm valves, angle valves, through the valve, three-way valve.

根据结构特点有挡板阀、插板阀、蝶阀、球阀、隔膜阀、角阀、直通阀、三通阀。

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Experiments for its verification were carried out on a high pressure pneumatic servo system made up of a three-port on-off valve and a differential cylinder.

在由三通气动高速开关阀和差动气缸组成的脉宽调制高压气动位置控制系统上进行了实验研究。

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Hydraulic study of valve with extra long emptying culvert of the Three Gorges Lock's last chamber ( 3)& Measures improving the valve working conditions with emergent valve closing

三峡船闸末级闸首超长泄水廊道中阀门水力学关键问题研究（3）&事故动水关闭情况下改善阀门工作条件的措施

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Manufacturing of A Valve-like Three-limb Tube Infusion Set

阀门式三通管输液器的研制

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Three pressure equalizing pressure control valve

三种压力平衡的压力控制阀

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Effect of Alignability of Three-position Reversal Spool Valve on Internal Leakage Flowrate

三位液压换向滑阀对中性对其内泄漏量的影响

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The control of bypass valve 、 three-way valve 、 block valve for gas recycle is realized by monitoring the data of CO 、 CO_2 、 O_2.

通过CO、CO2、O2对数据的监控，实现对现场煤气回收所使用的三通阀、水封逆止阀、旁通阀等设备的控制。

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Master control module used watch-dog timer control chips can achieve three-axis control in the meantime with the software: Module outputs 0-10V analog voltage to control the proportional solenoid valve to produce the necessary cutting pressure, so as to enhance cutting precision to improve cutting yields.

主控模块采用专用看门狗定时器芯片，配合软件可同时实现三轴控制，模块输出0-10V模拟量电压，控制比例电磁阀产生所需要的切割压力，从而提高切割精度及切割的成品率。

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For the tumbling loop, the servo actuator adopts three-position relay control fashion to make the loop be stable by using the relay control circuit, the three-position and five-passage valve and the gas amplification device.

对于滚转稳定回路，采用三位置继电控制舵，通过继电放大器、三位五通阀和气动放大器来控制舵面的偏转，以此来实现滚转稳定。

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Calculation of the Valve Value Rate of the Quasi Three-Level System and the Analysis of the Intracavity Frequency Multiplier Theory

准三能级的阀值功率计算及倍频理论

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The utility model relates to an end-face sealed manual three-position four-way reversing rotary valve.

本实用新型涉及一种端面密封手动三位四通换向转阀。

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Empty three-position valve accommodating two, three or four ports.

排空三个位置的放气阀,它调节两个 、 三个或四个通道.

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Results Mitral valve and tricuspid valve prolapse were classed three grades.

结果二、三尖瓣脱垂分为三级.

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