广泛用于汽车起重机上车液压系统的控制回路，适用于小流量、低压力回路的控制油液的开关阀；
Widely used in control circuits of upper hydraulic systems on truck cranes, applicable to switch valves of control oil with low flow and low pressure circuits.
如果存在一个压力回路，或者疏水阀排放口位于回路管道的上方，则应该安装一个止回阀(图b)。
A check valve should be installed on return piping if there will be a pressurized return line or the trap drains to an overhead return line (Fig. B).
DEH系统中阀位传感器的故障会给阀门管理带来混乱，特别在调节级压力回路未投入的情况下会引起汽机功率的较大变化。
The failure of valve opening sensor would cause valve management of DEH system working confusedly, and result in large scale change of turbine power in the case of governing stage pressure loop idle.
7小时30分钟尽管操作员已将水抽入主回路，但温度仍然很高。减压阀的备用阀门被打开，减少压力。
7 hr 30 min Even after operators pump water into the primary loop, pressure is still high. The PORV 'backup valve is opened to lower the pressure.
4分30秒操作员观察到主回路的水位在上升且压力在下降。
4 min 30 SEC Operators observe that the water level in the primary system is rising and that the pressure is decreasing.
在把钢瓶连接倒较低额定工作压力的管道回路时，使用调整器和减压装置。
Use regulators and pressure-relief devices when connecting cylinders to piping circuits with lower pressure service ratings.
示范建议90月底或死亡，如需要精确的控制，信号回路的压力自动监测的关键应用的低流量的服务。
The Model 90 is recommended for dead end or low flow service in critical applications such as control loops requiring precise, automatic monitoring of signal pressures.
罐子配备有各种控制产品灌装、压力积累、减压、产品取出和罐子真空的回路。
Tanks are equipped with various circuits to control product fill, pressure build-up, pressure-relief, product withdrawal, and tank vacuum.
当把钢瓶连接到较低额定工作压力的回路上时，要使用调整器和减压装置。
Use regulators and pressure relief devices when connecting cylinders to circuits having lower pressure service ratings.
在炉温和炉压控制回路中，采用了经过改进的模糊控制器，得到了较快的响应特性和较精确的温度、压力控制效果。
A modified fuzzy controller structure which has faster response and higher accuracy is used to control the temperature and the pressure of the furnace.
带有大惯量的液压马达平衡回路如果在较高的速度下制动，将在马达回油腔形成过高的压力，进而损坏设备，并有可能造成严重事故。
When hydraulic motor with great inertia breaks at high-speed, the high pressure in returning line will be brought, this would demolish equipment, engender fearful accident.
而且泵本身安装阀可降低回路的循环压力，提高其工作性能。
Pump and valve itself can be installed to reduce the cycle circuit pressure to improve their performance.
将泵和阀组合成一体，并通过泵的旁通控制，使回路压力降至最低，从而减少管路及其泄漏。
Combine a body the pump and the valve, and through pump's by-pass governing, causes the return route pressure to drop to lowly, thus reduces the pipeline and divulging.
同时，本文对整个液压系统回路进行了设计及其对管路系统压力损失、液压系统的温升进行了验算。
At the same time, the thesis design all hydraulic pressure system loop and checking computation the pressure losing in pipeline system, the changing temperature of hydraulic pressure system.
针对焦炉集气管压力系统具有多回路、强耦合、非线性的特点，提出了一种综合控制算法。
According to the characteristics of nonlinear, close coupling and multiple loop for coke oven collector pressure control systems, a new mixed control method is proposed.
结合工程实例，对采用比例压力控制的带混水回路的供热系统的技术经济性进行了分析。
The economic efficiency of heat-supply system with mixing water loop which adopts proportional pressure control is analyzed.
本文推导了液控单向阀的控制压力特性方程、进油和回油回路机械特性方程。
This paper derives the characteristic formula of control pressure in hydro-control check valve and the mechanical characteristics formula of inlet and return circuit.
同时，文章还对一些其它卸荷回路及其缓冲措施进行试验研究，提出解决系统卸荷压力冲击的具体方法。
Meanwhile, some other unloading circuits and damping measures are experimentally investigated, leading to methods of reducing the unloading pressure surge.
压力系统采用气动回路，气缸作为执行元件，比例阀为控制元件，使用动态积分分离算法闭环控制。
Cylinder is executing element of air pressure system. Proportional valve is the control element. A dynamic integral separated PID algorithm control press.
真空夹持模块中，设计了真空回路，通过数据采集卡实时监测真空压力。
In the vacuum holding module of wafer, the vacuum monitoring circuit is designed in order to collect and monitor the vacuum pressure in real-time.
结果表明，颗粒单循环回路的压力平衡与装置的运行状态、颗粒的循环量密切相关。
It is shown that the pressure balance is in close relation with the fluidized bed operation status and solid circulation rate.
该模型90和91被推荐为年底或死亡，如需要精确的控制，信号回路的压力自动监测的关键应用的低流量的服务。
The Model 90 and 91 are recommended for dead end or low flow service in critical applications such as control loops requiring precise, automatic monitoring of signal pressures.
本文提出在大型机械式挖掘机的提升电流信号回路中，增加继电器调节环节的方法求得提升力与推压力的合理匹配。
It is proposed in this paper that a relay regulating loop be added in the hoist current signal of large power shovel so that rational coordination between hoist and crowd capacities can be obtained.
采用模糊专家的控制策略的温度控制器包括两个回路：温度控制回路和压力控制回路。
The temperature controller based on fuzzy-expert control strategy has two loops, which are temperature loop and pressure loop.
设计中增加了液压油冲洗回路、压力滤油器和压力切断装置，解决了静压传动系统应用设计中的问题。
Hydraulic oil flush return circuit, pressure filter and pressure breaking device are added to the systems, solving the problems in design and application of hydrostatic transmission systems.
为了控制炉温的稳定及煤气的充分合理燃烧，设计压力控制回路、吸力控制回路使煤气量和空气量稳定在设定值上。
In order to maintain the flue temperature and guarantee the gas can combustion fully, gas pressure control loop and the sub flue suction control loop are designed.
主泵为核电厂一回路压力边界，可能由于密封失效发生LOCA事故。
Because of the RCP be in primary circuit pressure boundary, LOCA accidents that may occur due to the seal failure.
一种压力支持系统(10)，包括病人回路(22)、对接组件(14)和罐(16)。
A pressure support system (10) that comprises a patient circuit (22), a docking assembly (14), and a tank (16).
在力学试验研究中，采用声发射技术对已具有疲劳裂纹的核反应堆一回路模拟压力管进行加载爆破断裂的监测。
By using the acoustic emission technique to monitor the fractures on analogous pressure pipes of the primary circuit, which has had cracks and was loaded with pressure, was investigated.
本文论述了流量调速回路压力流量特性的概念及其特性的描述方法，给出了五种典型流量调速回路的压力流量特性曲线图，并加以分析讨论。
The concept and describe way of pressure flow characteristics of flow control circuit is discussed in this paper. Five typical graphes of the characteristics are given and analyzed.
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