当您回到您启动阀杆与第二阀杆上发表演讲，并继续以同样的方式，并在第三关你的第三个开始从阀杆发言。
When you get back to the valve stem you start with the second spoke from the valve stem and continue the same way, and on the third pass you start with the third spoke from the valve stem.
因为阀门设计产生了基本的变化，以克服较早的隔膜阀的缺点，这些阀门被称为第二代隔膜阀。
These valves are referred to as second generation diaphragm valves because basic changes in the valve design have been incorporated to resolve the deficiencies of the earlier diaphragm valves.
第二，单流阀效应引起孔隙压力下降，割理闭合，导致侵入的压裂液滞留其中。
The second is unilateral flow bring about the pore press lower, cleats close, and fracturing fluid deeped in it will settle.
重新定位阀 件允许流体通过，滑动柱塞使第一和第二组分会合。
Valve repositioning allows fluid passage and sliding of the piston joins the first and second components.
设备进一步地包括用于同时控制通道阀和第二室的内部压力的控制装置。
Further, the apparatus comprises a control means for simultaneously controlling the channel valve and the internal pressure of the second chamber.
同时，用于同时控制通道阀和第二室的内部压力的控制装置提供了用于非常有效地操作设备的装置。
At the same time the control means for simultaneously controlling the channel valve and the internal pressure of the second chamber provides means for very efficient operation of the apparatus.
此外，在紧急回流或出现水锤现象时，如果第二止回阀受到污染，则这种安全阀可能出现释放（喷溅）。
Otherwise, such relief ( spitting) can occur when the second check is fouled during emergency backflow or resulting from a water hammer condition.
介绍最近研制的一台双向进气带第二小孔阀型二级脉管制冷机实验情况。
In this paper an experimental investigation on a recently developed two stage double inlet pulse tube refrigerator with a minor orifice is introduced.
第二，手动卸荷阀没有关紧。
第二限流管的另一端与中点分流阀连接。
The other end of the second flow limiting tube connects with the midpoint shunt valve.
该过滤器的成员包括一个过滤器的一部分石油，第二个孔，以纠正油流，单向阀，允许石油回流时，制动操作释放。
The filter member includes a filtering part to filter oil, a second orifice to rectify oil flow, and a check valve to permit oil to flow back when braking operation is released.
提供包括有第一和第二初级入口、第一和第二次级入口和出口的组合式干涉梭阀。
A compound intervention shuttle valve is provided that comprises first and second primary inlets, first and second secondary inlets, and an outlet.
该阀还包括设置在调节螺母上的第 一导向部分，以及与第一导向部分配合的第二导向部分。
The valve further comprises a first guide part arranged on the adjusting nut and a second guide part matching with the first guide part.
第二章进样阀串联双通道色谱在低碳烃类分析中的应用。
Chapter two is about tandem double columns and its application in the low carbon hydrocarbon analysis.
第二章首先确定了阀芯过盈密封的结构，并探讨了阀芯过盈量的选择，为日后的加工提供了依据。
Chapter 2 first determines the structure of the spool interference seal and discusses the choice of the magnitude of interference, in order to provide a basis for future processing.
加长阀盖和生产试验的设计要求包含在本规范第二部分。
The design requirements for the extended bonnet and the production test requirements have been contained in Part II of this MESC SPE.
加长阀盖和生产试验的设计要求包含在本规范第二部分。
The design requirements for the extended bonnet and the production test requirements have been contained in Part II of this MESC SPE.
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