Before operation, special consideration must be given to pressure limitations, system containment, purging requirements, etc., to determine if additional safety measures are required.
在操作前，必须对压力极限、系统容积、净化要求等专门考虑，以决定是否要求额外的安全措施。
These valves vent accumulations of air and gas while the system is in operation and under pressure.
当系统在运行中和压力条件下市，这些阀门需要排泄大量的空气和气体。
Analysis and drawing are generally used evaluation of pressure center in stamping die system which claims large calculation and fussy operation.
目前冲模系统中压力中心的求解方法通常采用解析法和作图法，计算量大，操作繁琐。
The purpose of the pneumatic system is to supply compressed air for a controlled temperature and pressure environment during all phases of flight and ground operation.
增压系统的作用是为飞行及地面所有阶段的温度和压力控制提供压缩空气。
The non-steady flow in pressure water-carriage system have quite influence on the stability and safety of operation of hydropower station, so it is paid more attention.
这两者各具特点，但又有机地联系在一起。水电站有压输水系统非恒定流对水电站的稳定及安全运行有很大影响，所以对其研究也倍受人们重视。
After putting the primary air system into automatic operation, the pressure difference between two underpants legs can be basically controlled to 2.
一次风系统投入自动运行后，两侧双支腿床压之差基本能控制在2。
As for the UF, the optimization of the frequency of physical washing, the filtration mode and the operation pressure can help to improve the system efficiency.
对于UF系统，冲洗频率、过滤方式和操作压力均影响系统的制水效率。
Conposition, characteristics and operation of a dense phase pneumatic conveying system with positive pressure for coal ash in Thermal Power Plant of Anqing Petrochemical Work are described.
详细介绍了安庆石化热电厂正压浓相气力输灰系统的组成、特点及运行情况。
Conposition, characteristics and operation of a dense phase pneumatic conveying system with positive pressure for coal ash in Thermal Power Plant of Anqing Petrochemical Work are described.
详细介绍了安庆石化热电厂正压浓相气力输灰系统的组成、点及运行情况。
At the same time, LNG may lead LNG boiling gasification and liquid cargo rolling due to error operation or system failure, then, the rising pressure in the cargo hold may have disastrous consequences.
同时因操作不当，低温系统故障不能及时解决，导致LNG沸腾气化和液货翻滚，使货舱压力急剧升高而产生灾难性后果。
This paper describes the operation principle of CAT system of pressure controller and the structure of the hardware and software by a new (digital) pressure controller test.
本文结合新型压力控制元件—数字式压力控制器的测试试验，阐述了压力控制器微机辅助测试系统的原理及软硬件结构。
The fluid pressure pulse and flow-noise in water piping system decreased the operation safety of piping system and hiding ability of submarines.
水管路系统流体压力脉动及其引起的流噪声会降低管路系统自身工作的可靠性和舰船的隐蔽性。
After reconstruction of the whole system, no pressure startup and no pressure close were achieved; and thus improving the operation efficiency and reducing the energy consumption.
在整个风机系统改造后，鼓风机达到了无压启动和无压关闭的效果，提高了运行效率，降低了能耗。
The fluid pressure pulsation in water piping system reduces Marine hiding ability significantly, even leads to deterioration in operation security of the piping system.
水管路系统的压力脉动及其引起的流噪声大大降低了舰船的隐蔽性，管内压力脉动也会降低管路系统自身工作的可靠性。
The simulation and operation results show that the controller can effectively restrain water pressure overshoot and system oscillating when the frequency-conversion pump is switched.
仿真和实际运行表明，系统切换变频泵时该控制器对水压的超调量和系统振荡均能起到很好的抑制作用。
A vacuum pump creates negative pressure for correct operation of the filtrate recovery system.
真空泵产生的负压是保证滤液回收系统的正确运行。
This conception is helpful to advance the level of economical operation of high pressure heater system in fossil-fueled power plant.
对提高火电厂大机组高加系统经济运行水平具有一定的指导意义。
According to the requirement of test operation and the non-linearity and uncertainty, this paper brought out the pressure servo control system.
给出了针对试验操作要求及钻压伺服系统的非线性、不确定性的钻压伺服控制系统。
The invention relates to a trichlorosilane differential pressure coupling rectification system and an operation method thereof.
本发明是三氯氢硅差压耦合精馏系统及操作方法。
Closed system, negative pressure operation, no dust emissions, a good operating environment.
系统全封闭，微负压操作，无粉尘飞扬，操作环境好。
At the end, this paper gives the result of operation of this system, and carries out the pressure test and analysis for the realization of this application server system.
最后，论文给出了原型系统的运行结果，并对所实现的应用服务器系统进行了压力性能测试及分析。
The operation programme of DN1400 butterfly's valve control system was introduced, and the designs of its hydraulic pressure control system and electric control system were explained.
介绍了DN1400蝴蝶阀控制系统的操作程序，并详细阐述了其液压控制系统和电气控制系统的设计。
These functions will be used to choose operation pressure, concentration flow, membrane area, membrane modules, modules arrangement, cooling system, membrane fouling predication and cleaning system.
利用获得的数学关系式确定主要操作运行压力、浓缩液流量、膜面积、组件数目、膜组件排列方式、冷却循环系统设计、纳滤膜污染的预测与清洗系统设计。
Automatic computer monitoring system is the key to ensure the normal operation of automatic water supply system, and achieve automatic adjustment and control of the water temperature and pressure.
计算机自动监控系统是保障供水系统自动正常运行，实现水温和水压自动调节与控制的关键环节。
To analyze the problems in hydraulic pressure system of ladle lifting equipments of billet CC machine, some measures are put forward to assure the system stable operation.
针对炼钢厂板坯连铸机钢包提升装置液压系统存在的问题进行分析，并提出解决问题的方案，确保该系统稳定可靠。
Why does the tractor hydraulic system always have the breakdown? In the production operation, tractor's hydraulic pressure suspension system easy to present the breakdown.
为什么拖拉机液压系统总是存在故障？在生产操作中，拖拉机的液压悬挂系统易出现故障。
But the cementing operation is very difficult because of the complicated formation pressure system.
而调整井具有地层压力系统复杂的特点，给固井施工带来很大难度。
But the cementing operation is very difficult because of the complicated formation pressure system.
而调整井具有地层压力系统复杂的特点，给固井施工带来很大难度。
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