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1·Emergency shutdown valve is in a kind of hydraulic control valve.

紧急关闭阀是水力控制阀中的一种。

2·Use security device of hydraulic control valve to ensure the safety.

使用液控单向阀的安全装置，保证安全；

3·Hydraulic control valve to be installed before the filter, and should facilitate the discharge requirements.

水力控制阀前要安装过滤器，并应便于排污的要求。

4·Hydraulic control valve is a main valve and the exterior of the needle valve and a combination of the pilot valve.

水力控制阀是由一只主阀及其外装之针形阀和先导阀等组合而成。

5·Pilot pressure valve The utility model is based on hydraulic control valve engineering, one of three pressure control valve.

先导压力阀本实用新型属于液压控制工程三大基础阀之一的压力控制阀类。

6·A cascade control method for the pressure control of the mixed gas is presented based on an electro-hydraulic control valve.

针对该问题，提出通过电液调节阀对混合煤气进行串级稳压控制。

7·Working pressure is the hydraulic pressure control valve before the working hydraulic control valve back pressure minus the difference.

工作压差是指水力控制阀前的工作压力减去水力控制阀出口背压的差值。

8·As a key control component in water hydraulic system, water hydraulic control valve is a vital part in study of water hydraulic technology.

水压控制阀是水压传动系统中的关键控制元件，是水压传动技术研究的重要内容。

9·Hydraulic control valve consists of a main valve and attached to the catheter, guided valves, needle valves, ball valves and pressure gauges and other components.

水力控制阀由一个主阀及其附设的导管﹑导阀﹑针阀﹑球阀和压力表等组成。

10·Hydraulic control valve is not enough energy emissions will cause condensation water can not discharge in time, reducing the thermal efficiency of heating equipment.

水力控制阀排放能量不够，调节阀会造成凝结水不能及时排出，降低加热设备的热效率。