1) buried valve with key
液下控制阀
2) down direction valve
下行控制阀
3) downhole control valve
井下控制阀
1.
Using FEA and optimization,the patented downhole control valve(DCV) has been developed.
通过有限元分析和优化设计等手段,开发出具有自主知识产权的全过程欠平衡作业专用井下控制阀(DCV),主要指标已经达到国外同类技术水平。
4) hydraulic control valves
液压控制阀
1.
And the general character subject(how to use preumaticmeasurement method for measurement of leakage)of hydraulic control valves on delivery andthe methods and steps to deal with are also discussed.
并就液压控制阀出厂试验的共性问题——如何利用气动测量法测定泄漏量进行了探讨,提出了测定方法与步骤。
5) hydraulic control valve
液压控制阀
1.
There are many kinds of hydraulic control valves which are the main components of a hydraulic system.
液压控制阀的种类很多,是组成液压系统的主要元件。
2.
As a fundamental consideration in hydraulic control valve dynamics, transient flow through a pipe orifice wasstudied by numerical analysis.
为了研究液压控制阀的动态特性,对从初始稳定流开始的液流通过节流孔的过渡过程进行了数值解析计算。
3.
According to the nonlinear vibration phenomena which was due to the self-induced vibration and open-close,4-differential equations describing the hydraulic control valve nonlinear fluid-structure coupling vibration were established,by the use of elasticity theory of valve spool and the N-S equation of oil in valve cavity campaign.
以某型舵机用三位三通换向阀为例,对液压控制阀的自激振动以及启闭产生水击诱发非线性振动现象,利用阀芯弹性力学理论和阀腔内油液运动的N-S方程建立了描述液压控制阀非线性流-固耦合振动的4-方程微分运动方程组。
6) hydraulic control valve
液动控制阀
补充资料：液动控制阀
分子式：
CAS号：
性质：利用有压液体作为动力源的控制阀。
CAS号：
性质：利用有压液体作为动力源的控制阀。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条