查询词典 valve box

Pneumatic valve is equipped with type 10A-5 pneumatic element and pneumatic draw stem driven by double-control two-bit five-way electric control reversal valve, pushing rocker to drive the axle and plate and switch the flow direction of medium.

气动三，四通溜子，配用 10A-5 型气动元件，通过双控二位五通电控换向阀驱动气动推杆推动摇杆带动阀轴，分料板即可完成介质流向的切换，满足工况的需要。

In electronics, a vacuum tube or thermionic valve or just valve, is a device generally used to amplify, switch or otherwise modify, a signal by controlling the movement of electrons in an evacuated space.

真空管是一种电子设备，由抽真空的容器组成，它具有发射电子的阴极（旁热式是由灯丝加热，直热式则灯丝就是阴极）和工作时通常加上高压的阳极。阴极和阳极之间，自阴极算起，第一个电极称为栅极，再增加一个电极则称为帘栅极。

This thesis will increase scientific knowledge to principle of thermostatic valve, besides providing the experimental basis for the developing and research of Thermostatic valve.

本文有利于对自动恒温阀控制温度原理的科学认识，同时为该产品的开发与研究提供了实验硬件保障。

The basic principle and performance characteristics of thermostatic valve are introduced,and application of three-way thermostatic valve in floor radiation heating system is discussed.

介绍了三通恒温混水阀的基本原理与性能特点，探讨了其在地板辐射采暖系统中的实际应用，分析了带三通恒温混水阀型地暖系统的技术优势，以推广三通恒温混水阀的应用。

By discussing the characteristics of the torpedo turbine engines energy supply system, the scheme of the fish torpedo engine sources supply is demonstrated, and the three-speed pressure valve is designed. The author builds the dynamic process simulation calculation plant for the thermal engine thrust system which is based on the fix quantity fuel pump and pressure control valve.

通过对鱼雷涡轮发动机能源供应系统特性的讨论，论文探讨了开环压强控制的物理机理，建立了被控系统的机理模型，进行了鱼雷涡轮发动机能源供应系统的方案论证及其关键部件——三速制压力调节阀的性能设计，构建了基于定量燃料泵——压力调节阀的鱼雷涡轮发动机系统动态仿真平台并进行了仿真计算。

Control valve : The simplest form of flow control is a manual throttle valve in series with the pump.

控制阀：流量控制的最简单的形式是一种手动节流阀。

The topic of this graduation project is precisely one kind of electro-hydraulic proportional valve----two stage electro-hydraulic proportional throttle valve.

本设计的课题是电液比例阀中的一类——二级电液比例节流阀。

Including control valve, throttle, valve and so on.

包括调节阀、节流阀、减压阀等。

Solenoid valve and the throttle valve composed of two short forms.

新型调速阀的原理及应用它由定差减压阀、电磁换向阀和两个简式节流阀组成。。。

The application and working process of throttle valve in injection mold of unbalanced cavities were introduced,and the key points of designing throttle valve was analysed.

介绍了节流阀在非平衡型腔注射模中的应用及模具工作过程，并分析了节流阀的设计要点。

The United Kingdom has pledged to provide technical assistance to the peacekeeping effort in Darfur, including airlifting supplies and equipment to assist the African peacekeepers.

英国承诺为达佛的維和努力提供技术帮助，包括提供非洲的維和部队空运补給和裝备。

Results: The level of ET-1mRNA in placental villus was significantly higher in pre-eclamptic women than that in control group.

结果：妊高征组患者胎盘绒毛组织ET-1 mRNA的表达较正常妊娠组明显增高。