双加压阀及辅助阀控制；
Double guns , dual pressurizing valve and auxiliary valve control;
气动—使用辅助压缩空气或水的来源转变阀，而不是一个螺线管操作。
Air Operated - Uses auxiliary compressed air or water source to shift valve, rather than a solenoid operator.
气动—使用辅助压缩空气或水压力转换阀，而不是一个螺线管操作。会议提供了一个选择3个气动操作压力等级。
Air Operated - Uses auxiliary compressed air or water pressure to shift valve, rather than a solenoid operator. ASCO offers a choice of 3 pneumatic operator pressure ratings.
针形阀用于小型辅助管线系统。
本文主要介绍TPSTD计算机辅助溢流阀动态特性测试系统的硬件，软件的设计及其特点。
This paper presents the design and the characteristics of both hardware and software for the TP STD computer assisted dynamical characteristics test system of the relief valves.
举个例子，在上一代飞机中，引擎中的高压气通过排除阀到达辅助动力系统，该系统控制着空调设备。
In last-gen aircraft, high-pressure gas is taken from the engine and transported through bleed valves to the auxiliary power system, which controls air-conditioning, for example.
本论文通过对石油化工行业先导式泄压阀的计算机辅助设计选型系统的研制，阐述了先导式泄压阀的操作性能、动作原理及选型时的参数选择。
In this paper, studying on computer aided sizing design system of piloted relief valve, expatiate on the capacity of operation, principle of movement and how to choose the parameter when sizing.
作业完井的一个辅助工具，循环阀用于在压井或启动时循环流体。
As a completion accessory, a circulation valve is included to circulate fluid for well kill or kickoff.
操作时手轮顺时针旋转为阀关，反之为开，不得在手轮上再增加辅助杠杆。
You can not add assistant lever to the hand wheel. Clockwise turn of hand wheel means the closing of valve, otherwise it means opening.
PWR的压力释放装置主要有四种类型：直接作用式安全阀、先导操作压力释放阀、动力作用式压力释放阀和具有辅助装置的安全阀。
There are four types for PWR pressure-relieving devices: direct acting safety valve, pilot-operated pressure relief valve, power-operated pressure relief valve and safety valve with auxiliaries.
公司主要产品有：执行元件(气缸)、气动控制元件(阀)、气源处理元件、空气软管、辅助元件以及成套系统。
Our main products cover actuating element (cylinder), pneumatic component (valves), air source processing unit, air hose, auxiliary components and integrated system.
计算机辅助测试(CAT)技术的兴起和应用，为电液伺服阀、比例阀性能测试开辟了广阔的发展前景。
The application of computer-aided test (cat) provides a brilliant future for characteristic test of servo valve and the technique of virtual instruments brings cat into a new developing stage.
所述阀可以具有一对推动阀关闭的辅助弹簧。
The valve may have a pair of helper springs urging the valve closed.
核2，3级辅助系统安全阀是核电站----回路辅助系统的超压保护装置。
The safety valve of grade 2 and 3 auxiliary system is the protective device against the overpressure in the auxiliary system of the first loop.
来自恒温维持装置的主单元(1)的冷却侧水箱(43)的被调整到预定的温度的低温循环液通过供给配管(14)被供给给辅助单元(2)的三通阀(20)。
A cool fluid of a predetermined temperature is supplied to a three-way valve (20) of a sub unit (2) from a cooling side tank (43) of a main unit (1) of a controller, through a supply pipe (14).
来自恒温维持装置的主单元(1)的冷却侧水箱(43)的被调整到预定的温度的低温循环液通过供给配管(14)被供给给辅助单元(2)的三通阀(20)。
A cool fluid of a predetermined temperature is supplied to a three-way valve (20) of a sub unit (2) from a cooling side tank (43) of a main unit (1) of a controller, through a supply pipe (14).
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