The principle and characteristics of the high temperature air generator is introduced. The PLC control project of periodical shift of the cross valve is expounded.
介绍了高温空气发生器的工作原理与特点，提出了采用可编程序控制器(PLC)控制四通阀周期切换的控制方案。
In addition, the measurement on pressure loss cross one side of four-way diverter valve has been carried out and some questions on pressure loss of four-way diverter valve are posed.
同时，也对四通换向阀进行了单侧压力损失测量，对四通换向阀说明书上的压力损失参数的准确性提出了质疑。
The two halves shall be sealed by diamond shaped cross section rubber gasket permanently locked by a groove in the valve body.
阀体的两个部分应该采用钻石形交叉橡胶垫圈通过阀体的卡箍永久性锁定密封起来。
The intraoperative risk factors for POAF include aortic cross-clamp time, bicaval cannulation, valve surgery, and cardiopulmonary bypass time.
心脏术后房颤的术中危险因素包括主动脉阻断时间、双腔插管、瓣膜手术、心肺转流时间。
Move the valve plate moves from the valve plate cross walk tissue valve plate lower sprocket drive transmission pin to honor.
阀板横挪动作由阀板行走组织的链轮驱动阀板下部的传动销轴来兑现。
Double Check Valve Assembly shall be installed at referenced cross-connections to prevent the backflow of polluted water into the potable water supply.
在相关的交叉连接处应该安装一个双止回阀总成，以防止受到污染的水回流到饮用水系统中。
Control valve is a pipe attachment, which is used to change the channel cross-section and flow direction, the control flow of a medium transport device.
调节阀是一种管路附件，它是用来改变通路断面和介质流动方向，控制输送介质流动的一种装置。
Technological experimental research for cross wedge rolling technology of pin valve of oil pump has been introduced with problems and relevant solutions during the process.
介绍了油泵油嘴针阀体的楔横轧工艺试验，以及在试验中遇到的问题及解决方法。
DUAL CHECK VALVE BACKFLOW PREVENTER For low hazard cross-connections. Continuous pressure applications.
双止回防回流阀用于低危险交叉连接。持续压力应用场合。
The APU usually takes its fuel supply from the LH engine-feed line, but when the cross-feed valve is open, the RH engine-feed line can also supply the APU with fuel.
APU通常从左发动机供油管路获得燃油，如果交输活门打开，右发动机供油管路也可以供应apu燃油。
Characteristics of cross-joint flush valve: they are time-lapse, self-closing, beeline of water route.
四通冲洗阀特点：延时自闭、水流路径成“一”字型， 适应的水压比较多， 有手柄式、按钮式、脚踏式。
The tube connector and "O" shape seal ring of the valve must be kept clean, and the cross section line of the tube connector cannot be painted.
联接管与阀口“O”形密封圈套入处应保持清洁， （见图20） 联接管有剖面线的部位处不能涂油漆。
Through needle valve can change the tee cross-sectional of low-flow adapter, thus changing the sample flow, and thus able to meet the requirements of toxicology sampling norms.
通过在一定的范围内人为改变低流量适配器三通旁支管的断面面积来改变采样流量，从而满足对酯类、腈类等气体采样规范的要求。
The valve guide path and the guide inflow path are arranged above an orthogonal cross section of the discharge flow path.
该阀导向通路与前述导向流入通路一同位于前述排出流路的正交剖面上方。
DOUBLE CHECK VALVE ASSEMBLY For Low Hazard Cross-connections and continuous pressure applications.
双止回阀总成用于低危险交叉连接和持续压力应用场合。
The product includes check valve to prevent cross-flow ;
配置止回阀，防止逆流；
The throttle control mechanism of cross-critical CO2 refrigerating system includes mainly throttle valve, vapor-liquid separator, solenoid valve, mixer thermal expanding valve, etc.
跨临界二氧化碳制冷系统节流控制机构，主要包括节流阀、汽液分离器、电磁阀、混合器、热力膨胀阀等。
The throttle control mechanism of cross-critical CO2 refrigerating system includes mainly throttle valve, vapor-liquid separator, solenoid valve, mixer thermal expanding valve, etc.
跨临界二氧化碳制冷系统节流控制机构，主要包括节流阀、汽液分离器、电磁阀、混合器、热力膨胀阀等。
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