They attributed it to a valve closing, not unlike other occasional noises in a power plant.
他们当时认为那是阀门发出的声音，电站里偶尔会有这样的响声，没啥不对劲的。
The space above the piston is now sealed due to the inlet valve closing and the exhaust valve having already closed.
由于进气门关闭、排气门也已关闭，现在活塞上部的空间被密封了。
The results show that stiffness of spring does not affect the injection rate, but the mass of will affect the needle valve closing response time.
结果表明，电磁阀铁心弹簧刚度对喷油规律没有影响，但其质量影响针阀落座响应时间；
By using the dynamic mesh model in CFD software to calculate the pipe valve closing, use the characteristic method and the experiment to compare with the same model.
运用计算流体动力学(CFD)的动网格技术对管道中的阀门关闭进行了动态模拟，针对同一模型，并与特征线法及试验进行了比较。
The test result shows that the closing speed of the valve is not related to the pumping pressure, and the minor impacting energy is produced in the course of valve closing.
通过测试和分析，得出了泵阀关闭速度与泵压基本无关、泵阀关闭时的冲击能较小的结论。
This paper presents a new design of hydro extender VVT mechanism. The best matching inlet valve closing timing for advancement and retarding is achieved by the experiments.
详细阐述了液压张紧器式可变配气相位机构的设计，并通过试验获得了最佳气门关闭角的提前与滞后角度。
Test results show that the hydraulic valve actuation system can realize continuously variable valve lift and the early intake valve closing by changing the time of oil pressure release.
通过实验证明这种液压气门机构可通过改变泄油初始相位角实现进气门最大升程和进气迟闭角的连续可变。
The actual valve closing phases have been calculated, analyzed and determined in accordance with the interference signals caused by valve seating impulse in the low pressure indicator diagram.
计算分析了进排气门实际关闭相位，并根据低压示功图中气门落座冲击引起的干扰信号间接确定发动机运转时的实际关闭相位。
Device-to-device communication also assists with decisions made within the enterprise to affect changes at the remote location (opening or closing a valve or stopping an appliance, for example).
设备间通信还有助于企业内部作出决策来影响远程位置的更改(如打开或关闭阀门或停止设备运行)。
Valve Disadvantages: Although the improvements to this generation of valves eliminate the more serious problems of damage from abusive closing, they are not totally immune to abuse.
阀门的缺点：尽管对这一代阀门的改进排除了由于粗暴关闭造成的损害问题中比较严重的问题，但它们还不能完全防止机械损伤。
Prior to servicing any Watts valve, it is mandatory to shut down the water system by closing both the inlet and outlet shutoff valves.
在维修任何美国瓦茨阀门之前，必须先通过关闭进口和出口关闭阀来实现水系统的关闭。
Open needle valve "b" and vent or bypass needle valve, bleeding to atmosphere, then closing needle valve "b" restores the system to a normal static condition.
开启针形阀“B”和排气或旁路针形阀，排放到大气中，然后关闭针形阀“B”，将系统恢复到正常的静止状态。
The flat bottom gate provides full perimeter seating against the seat, eliminating pocket in the bottom of the seat that can trap process media and prevent the valve from fully closing.
平坦的闸板底部与阀座之间能够实现全周长阀座密封，避免阀座出现可能淤积流体介质、妨碍阀门完全关闭的底部洞隙。
Rapid closing of the valve is accomplished fitting a heavy spring.
安装一根粗弹簧就可以达到迅速关闭阀门的目的。
Where possible, leave the wrench on the valve so a quick closing of the valve can be made in the event of an emergency.
在可能的地方，把扳手留在阀门上，以便在紧急情况下可以迅速的关闭阀门。
Recommended Closing Procedure: Close the cylinder valve tightly using a gloved hand. Always wearing gloves when operating cylinder valves. NEVER use wrenches or other persuaders to operate the valve.
推荐的关闭程序：用戴手套的手紧紧地关闭阀门。推荐操作钢瓶阀门时总是戴手套。禁止用扳手或其它强制性的工具来操作阀门。
The valve effectively seals at higher pressures with less closing torque than the wrench-operated design.
同扳手型设计相比，这种阀门可以在更高的压力下使用更小的转矩有效地密封。
AW pneumatic actuator used, make sure the valve opens, closing torque, and then do the valve using a fluid medium, added security value.
选用AW气动执行器时，先确定阀门启、闭的扭矩，再根本阀门使用的流体介质，增加安全值。
Speed control Valves are available for controlling valve opening or closing speed with pneumatic actuators.
速度控制阀可以用来控制阀门气动执行器的开启或关闭速度。
Stroke control mechanism for the regulation and precise control of valve opening and closing position.
行程控制机构，用以调节和准确控制阀门的启闭位置。
Pneumatic valve and plug valve of a type is the same, only it's shut down parts of a sphere, the sphere rotates around the body center line to achieve the opening and closing a valve.
气动球阀和旋塞阀是同属一个类型的阀门，只有它的关闭件是个球体，球体绕阀体中心线作旋转来达到开启、关闭的一种阀门。
Valve typically used for opening and closing applications, not recommended for throttling applications.
闸阀通常用于启闭应用场合，不建议用于节流应用。
It features a primary check valve utilizing a rubber disc seating against a mating rubber part to ensure tight closing.
其特点在于第一止回阀采用一个橡胶阀瓣密合在相配的橡胶部件上，确保紧密的关闭。
From fluid flow momentum theory the basic equation of flow dynamic forces in the spool closing process is derived, and the spool dynamic equation of the two-way cartridge valve is established.
本文根据流体动量理论导出了阀芯关闭过程中液动力的关系式，在此基础上建立了二通插装阀阀芯关闭运动方程。
Gate keeps closely movement with gate when opening and closing, makes valve open and close stability and cuts off the media, and so on.
在关闭和开启过程中阀座跟闸板一直紧贴运动，使得阀门启闭力稳定，并且具有切断介质等特点。
The control unit (4) controls the flow (11) of material by opening and closing solenoid valve (6).
控制单元 （4）通过打开和关闭电磁阀（6）来控制物料流（11）。
According to the liquid condensed in the condenser changes the amount of conditioning evaporator for the liquid, the float control the opening and closing the refrigerant flow control valve.
根据冷凝器中凝结液体量的变化调节蒸发器供液，由浮球操纵开闭的制冷剂流量控制阀。
An emergency is any actual or potential release of a hazardous material that cannot be stopped by closing the product's cylinder or container valve.
紧急情况就是不能通过关闭产品钢瓶或容器阀门来阻止的危险材料的任何正在发生的或潜在的泄漏。
The pressure regulation valve, working without exterior energy, has the functions of pressure regulating, overflow closing, liquid temperature expansion relieving, and set pressure opening.
该阀不依赖外部能源工作，具有自动节流减压、泄漏超流自动截断、禁开、温升膨胀自动卸压和压力自动开启等多项功能。
The pressure regulation valve, working without exterior energy, has the functions of pressure regulating, overflow closing, liquid temperature expansion relieving, and set pressure opening.
该阀不依赖外部能源工作，具有自动节流减压、泄漏超流自动截断、禁开、温升膨胀自动卸压和压力自动开启等多项功能。
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