The valve chamber cover is missing.
阀室盖不见了。
Equipped with stainless steel screen in the valve chamber, it is easy to service and maintenance.
阀腔内设有不锈钢过滤网，维护保养筒单。
A large number of floating impurities in the emulsion, and the valve chamber in the column bottom, left more coal, rock and iron tablets.
乳化液中有大量的漂浮杂质，在立柱缸底和阀腔，留有较多的煤粉、岩粒和铁屑。
As an example, the failure probability and design reliability of the valve chamber on Model YLB-1000 fracturing pump are analyzed, and the critical points are indicated.
以ylb—1000型压裂泵阀箱为例，计算了破坏概率和可靠性，并指出了危险点。
The noise of 4110Q diesel engine and its oil pan, flywheel cover, oil pump, valve chamber has been studied by the analysis system of B&K3560 in the normal Semi-anechoic chamber.
在标准半消声室，用B&K3560噪声测量分析系统对4110Q柴油机整机和油底壳、飞轮壳、喷油泵、摇臂罩等零部件的噪声进行了台架试验研究。
Normally Open: When the coil is energized, the pilot hole closed, the valve chamber and pressurized by the piston return spring throttle thrust, the electromagnetic valve is closed.
常开：当线圈通电时，先导孔关闭，阀上腔由活塞节流孔增压和复位弹簧的推力，电磁阀关闭。
When the coil power, the pilot valve by the spring return, pilot hole closed throttle valve chamber pressurized by the piston return spring and thrust, the electromagnetic valve is closed.
当线圈断电时，先导阀芯靠弹簧复位，先导孔关闭，阀腔由活塞节流孔增压和复位弹簧的推力，电磁阀关闭。
Based on the failure analysis of the fracturing pump valve chamber, a model for calculating its reliability under three-dimensional stress is established, and a computing program is worked out.
基于压裂泵阀箱的失效分析，建立了在三向应力作用下计算阀箱可靠性的模型，设计了计算程序。
When the coil power, the pilot valve by the spring return, pilot hole closed, the valve chamber and pressurized by the piston return spring throttle thrust, the electromagnetic valve is closed.
当线圈断电时，先导阀芯靠弹簧复位，先导孔关闭，阀上腔由活塞节流孔增压和复位弹簧的推力，电磁阀关闭。
In the paper, the hazard of impurity and disposal method for gas pipeline are introduced. Suggestions to improve the design, construction and management of valve chamber and blowdown system are pu…
介绍了长输天然气管道中杂质的来源、危害及处理方法，提出了改进阀室设计、越站设计、排污系统和排污池设计以及管理的工艺方案。
This is connected via a sealing valve to the larger, more powerful lower chamber, or ventricle.
通过密封阀与更大的，更强的位于下面的腔室——心室——相连。
The timer then opens the lower valve for a fixed period of time, permitting the - plastic powder to discharge from the intermediate chamber.
定时装置随后开启下面的夹管阀并持续一段固定的时间，让塑料粉末从中间罐腔中排出。
High pressure ball valve floating ball valve installed in the system high turbulence of the float chamber.
高压浮球阀的浮球阀装在系统高压湍的浮球室里。
The exhaust gas ingredients of pulse engines, with five different combustion chamber volumes, throttle valve at small, middle and wide opening positions respectively, are tested.
对五种不同燃烧室体积的脉冲发动机在小、中和大油门开度三种供油条件下测定其排放物。
Therefore each line or line section shall have an expansion chamber a pressure relief valve or rupture disc discharging to a receiver.
各管路或管段应配备膨胀室，减压阀或将压力释放到储气罐的爆破隔膜。
When the compressor stop, the float chamber liquid level, float valve is completely closed.
当压缩机停车时，浮球室液位下降，浮球阀完全关闭。
In addition, we suggest some new concepts and consider the effect of the shape of pin valve and pressure chamber on the atomization of a jet.
此外，笔者提出了若干新的概念和考虑了针阀和压力室形状对射流雾化的影响。
The upper chamber on each side is called the atrium. This is connected via a sealing valve to the larger, more powerful lower chamber, or ventricle.
两侧的上腔室被称为心房，并通过一个密封瓣膜连接到更大更有力的下腔室（或称为心室）。
TYB series waterflood pressure regulating systems consist of two cylinder four chamber pump body, electro hydraulic reversing valve, control fluid circuit and control current circuit.
TY B系列调压注水装置由双缸四腔泵体、电液换向阀、控制液路及控制电路组成。
The cold air in the working chamber can convent if the exhaust valve on top of the oven is open, the temperature is controlled constant automatically by digital display instrument.
开启箱顶排气阀可使工作室温之冷空气得以对流交换，温度控制采用数字显示仪表自动恒温调节。
Further, the apparatus comprises a control means for simultaneously controlling the channel valve and the internal pressure of the second chamber.
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。
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.
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。
The system also includes a check valve disposed between the charge pump and the reaction chamber.
所述系统还包括设置在所述加料泵和所述反应腔之间的止回阀。
The check valve is operable to inhibit the flow of fluid from the reaction chamber toward the charge pump.
所述止回阀能够操作以阻止流体从所述反应腔向所述加料泵的流动。
Based on solenoid valve design theory, by estimating the maximum air pressure and spring force, a direct operated solenoid valve is designed to control the open and close of the air chamber.
通过估算空气腔中的最大气体压力和回位弹簧的拉力，基于电磁阀设计基本原理，设计开发了一直动式电磁阀用于控制空气腔的开闭；
Based on solenoid valve design theory, by estimating the maximum air pressure and spring force, a direct operated solenoid valve is designed to control the open and close of the air chamber.
通过估算空气腔中的最大气体压力和回位弹簧的拉力，基于电磁阀设计基本原理，设计开发了一直动式电磁阀用于控制空气腔的开闭；
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