Police say the saboteur must have had a working familiarity with the refinery to be able to open the tank's main valve and send tons of oil pouring out.
警方表示，嫌疑犯熟悉油厂事务，而且能打开阀门，让好几百万吨的石油哗啦啦的流走。
Working principle: piston moves from left to right, form a negative pressure pump cylinder, the liquid tank into the pump by the inhalation valve cylinder.
工作原理：活塞自左向右移动时，泵缸内形成负压，则贮槽内液体经吸入阀进入泵缸内。
The top steam discharge valve discharge distance could regulate to maintain the working pressure.
顶部排汽阀的开度应调控，以保持连排内的工作压力。
Substantial construction, working principle and practical maintenance method of revolving valve type power steering gear is presented in detail.
详细地介绍了转问式动力转向器的具体结构、工作原理和具体维护方法。
Based on the analysis on all kinds of load while the pump valve is working, we establish the corresponding mechanical model.
对泵阀工作时的各种载荷进行了分析，建立了相应的力学模型。
Valve can turn 90 degree working in testing course, especial suitable for property experiments of gas seal.
阀门在试验过程中可翻转90度工作，特别适用气密封性能试验。
Exchange the sealing ring of the valve body according to the working condition of rubber sealing ring in order to ensure the sealing performance.
按橡胶密封圈使用性能，根据具体情况定期对阀体的密封圈进行更换，以保证阀门的密封性能。
Figure 1 for the valve structure and working principle diagram.
图1为该阀的结构与工作原理示意图。
It consists of a compressor, a condenser, a throttle or expansion valve, an evaporator, and a working fluid (refrigerant).
它由压缩机、冷凝器、节流阀或膨胀阀、蒸发器，以及一种工作流体(冷冻剂)组成。
The turn ratio plays an important role in the working performance of MVCR(Magnetic Valve type Controlled Reactor).
匝数比取值对磁阀式可控电抗器（MVCR）的工作性能有较大影响。
Because it is in the hot working environment, gas valve rod shape may be deformed.
由于是在炙热的环境下工作，气阀门杆的外形有可能会变形。
Bypass flow control and definition work current capacity (working speed) scope load sensing control valve disposition.
旁路流量控制与限定工作流量(工作速度)范围的中的负载传感控制阀配置。
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。
The construction and working principles of speed sensor, ABS ECU, electromagnetic valve and return liquid pump are analysized in detail.
深入探讨了轮速传感器、防抱死制动电子控制器、电磁阀、回液泵的结构组成与工作原理。
Describe the structure characteristic and working principle of pressure seal swing check valve. Material selection and thrust ring design.
阐述了自压密封旋启式止回阀的结构特点、工作原理、材料选用和止推环设计。
Introduced the basic structure and working principle of the magnetic valve controllable reactor.
介绍了磁阀式可控电抗器的结构和工作原理。
The paper expounded the working principle, maintenance and adjusted method of ALB valve as well as items worthy to note in the process of use.
文中阐述了制动感载阀的工作原理，介绍了制动感载阀维护和调整方法以及使用过程中的注意事项。
Physical model of working procedure is established for rear absorber of the Xiali car of which the function of throttle valve during rebound and compression processes has been analysed.
通过对夏利轿车后减振器拉、压过程中节流阀的作用的分析，建立了该减振器工作过程的物理模型。
In this paper, the authors introduced its basic working principle and analyzed the hydraulic characteristic of the valve.
介绍了本装置的基本工作原理，对液位控制阀的水力特性进行了分析。
The structure feature, working principk and characteristic of the safe type magnetic force drive valve were introduced.
介绍了保安型磁力传动阀的结构特征、工作原理及其特点。
The structure features, working principles of the integrated valve are described in details.
对集成阀的结构和工作原理作了深入的剖析；
The modified formula represents much more accurately the actual working condition of the pump valve.
修正后的公式可以比较准确地反映泵阀的实际工作情况。
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 paper summarizes the working process of outflow valve and heater gasket of second generation B737, analyses a routine malfunction and provides a train of analysis.
介绍了第二代B737飞机座舱增压系统后外流活门和加温垫的工作及控制原理，对实际维护中的一种典型故障进行了分析和研究。
In this article, it is mentioned in detail from the fields of gas valve working principle, control plan and relevant calculation.
该文从气阀的工作原理、控制方案及其相关计算方面做了较为详细的阐述。
Introduces technical characteristics, structure and working principle of oil automatic cut off drainage valve, discusses the application of the valve in oil tanker areas.
介绍自动截油排水阀的技术特点、结构和工作原理，探讨该阀在油品罐区中的应用。
The impact load stress on the working process of the ring valve of reciprocating compressor is analyzed in this paper.
本文对往复式压缩机环状阀工作过程冲击应力进行了分析。
The application prospect of plus-in valve in hydraulic support was studied. A chock-type hydraulic support equipped plus-in valve was designed, and the working principle was analyzed.
研究了插装阀在支架液压系统中的应用前景，设计了采用插装阀的某支撑式液压支架的液压系统，并分析了工作原理。
The structure and the working principle of electronic-hydraulic valve are analysed and the P-I (Pressure-Control current)characteristic equation of electronic-hydraulic valve is derived.
通过对电液阀结构与工作原理的分析，导出了电液阀的p—I（压力—控制电流）特性方程式。
Check the working condition regularly. Replace the sealing ring after the valve is used for a long time.
定期检查运行情况，对长期使用后的伸缩器应及时更换密封圈。
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