1.
Torque is the rotary effort required to operate a valve.
扭矩是操作阀门所需要的旋转作用。
2.
Self-sealing quick release coupling with or without mechanically operated valves.
自封式速释离合器（带有或不带机械操作阀）。
3.
"Valves,push button-24V,DC. "
24V,直流按钮操作的阀门
4.
The test set operates both the bleed valve and solenoid valve independently.
测试仪可以对排泄阀和螺线管阀分开操作。
5.
Valve Disadvantages: The valve is difficult to close and requires the operator to double close the valve.
阀门的缺点：阀门难以关闭，要求操作者二次关闭阀门。
6.
Smooth operation of throttle linkage and throttle body air valve.
节流连杆和节流体空气阀的平稳操作。
7.
internally piloted regulator
整体指挥器操作型自力式调节阀
8.
pilot-operated regulator
指挥器操作型自力式调节阀
9.
externally-piloted regulator
组合指挥器操作型自力式调节阀
10.
Stem extensions can be furnished to permit remote operation of butterfly valves in any required length.
配备所需长度的阀杆延长件,可以对某个蝶阀进行远程操作。
11.
Controlled closing of the valve, opens the mainline check valve, gradually increasing line pressure.
阀门受到控制的关闭操作，开启主管线止回阀，逐渐增加管线压力。
12.
"The assembly should then be slipped onto the valve stem, with the valve in the closed position."
然后将蜗轮操作装置总成套在阀杆上,此时阀门应该处于关闭状态。
13.
Gearing is applied to valves to provide ease of operation.
在阀门上应用齿轮能够使操作更加容易。
14.
The handle( or gear box) of butterfly valve can be rotated backward or forward for180 degrees.
蝶阀的把手（齿轮箱）可以反转或正转180度操作。
15.
Ductile iron body able to withstand rough handling.
球墨铸铁阀体能够经受恶劣的操作环境。
16.
After operating from high temperature, the Shutoff must be manually reset (opened).
在高温操作后，关闭阀必须人工重置(开启)。
17.
Stub acme thread on stem provides rapid open-close operation.
阀杆上的短梯形螺纹适用于快速启闭操作。
18.
Parameter Optimization Controling on Main Valve and Governing System Reformation of Steam Turbine;
汽轮机控制主阀操作参数优化及调控系统改造