main valve是什么意思

网络释义

用法例句

The vapor pressure, speed, discharge that pass through the main valve of steam turbine make direct influence to its operation .

目前国内外的研究主要集中在对汽轮机控制主阀的结构改造和尺寸优化方面。

Generally, the main valve of three-stage electro-hydraulic servo valve is sliding valve, changing the flow area of valve port to control fluid flow rate by the relative motion of the valve spool and sleeve.

三级电液伺服阀的主阀一般采用滑阀结构,通过滑阀阀芯和阀套的相对运动来改变阀口过流面积,达到液流控制的目的。

On the basis of analyzing and comparing the fuction, construction, main parameter, material and technique of the main distributing valve, the optimum design of main distributing valve was researched summarising the author s ten years experience.

本文通过对现有调速器主配压阀的功能、结构、主要参数、材料及工艺性等方面的分析和比较，结合电站的实际使用情况，总结了笔者近１０年的设计工作经验，就主配压阀优化设计问题进行了探讨。

Design and research on bimorph piezoelectric pump with two active valves

双晶片两主动阀式压电泵的设计及试验

A new type of precise-motion mechanism driven by a piezoelectric hydropump with active valves transfers liquid from one region to another,changes the liquid volume inside the cylinder and thus achieves displacement and feed.

提出了一种新型的位移精密驱动机构,它以主动阀压电泵为核心驱动装置,通过流体的转移来改变缸体液体容积的变化,从而实现位移进给;该机构可以通过电压调整输出力和步长,满足大行程或微位移、高精度的输出要求。

Dynamic Analysis of a Spindle of Pilot-operated Solenoid Valve

两级先导式电磁阀主阀芯动力学分析

A Method to Accelevate the Closing Process of The Main Valve Opening of Pilot Relief Valve;

加快先导式溢流阀主阀口关闭过程的方法

Numerical analysis of reset motion of main spool in flow amplifying valve

流量放大阀主阀心复位运动的数值解析

The main valve spindle incorporates an inner spindle for double regulation memory stop and valve position setting.

主阀轴配置一个内轴，适用于双重调节止动记忆和阀门位置设置。

The check valves shall be modular and shall seal to the main valve body by the use of an O-ring.

止回阀应该是模块化，并通过一个O形环密封连接到主阀体上。

Our main products include steel gate valve, globe valve, check valve, ball valves, forged steel flange, pipeline strainer and so on.

主要有：各种材质闸阀、截止阀、止回阀、球阀、法兰及过滤器等。

"Primary uses for wrot brass are for ball valve stems and balls, and iron valve stems. a forging grade of brass is used in ball valve bodies and pieces."

黄铜的主要用途是球阀阀杆和球体,和铸铁阀门的阀杆。可锻黄铜可用于球阀阀体和断口部件。

main hydraulic control manifold

主液压系统操纵阀箱

There were also remnants of militarism.

还有军阀主义残余。

"Most common uses in valves are: stem, body and ball materials."

这种材料在阀门上主要用做:阀杆,阀体和球体材料。

Servo valves consists of feedback - electric-hydraulic servo valve and position feedback servo valves.

伺服阀主要分为力反馈式电液伺服阀和位置反馈式伺服阀.

An O-ring seals the relief valve body to the main housing.

用一个O形环密封安全阀阀体与主外壳。

Study on Thermal Fatigue Damage of the Valve on the Intermediate-pressure Section of Steam Turbine in Power Plants

火电站中压主汽阀阀壳热疲劳损伤研究

"Mainly used in gate, globe, and check valves for applications up 850H, and in one-, two-, and three-piece ball valves."

主要使用在温度高达850℉的闸阀、截止阀和止回阀,以及整体、对分式和三件装的球阀上。

New Stainless Steel Heap Welding Technique for Main Steam Valve Sealing Suface

主蒸汽阀门密封面不锈钢堆焊新工艺

Analysis of Low Cyclic Fatigue Life of the Valves on the Secondary Unit of Steam Turbine;

汽轮机中压主汽阀低周疲劳寿命分析

The Research on Piezoelectric Pump with Active Valve Actuated by Piezoelectric Wafer;

压电晶片驱动式主动阀压电泵的研究

Research on Dual-Chamber Tandem Piezoelectric Pump of Combination of Active and Passive Valves

主被动阀结合的双腔串联压电泵研究