查询词典 constant pressure

Then, according to HVS, the vibrant valve is designed. On the basis of coupling analysis and simulation study of the vibrant valve and the release valve, the simulation curve about the fluid pressure variation in the pile-driving oil pipe is obtained, by which the relationships among the highest pressure value, average pressure value and the pile-driving frequency are obtained.

然后根据液压振动系统设计了振动开关阀，并重点对液压振动系统中的溢流阀和振动开关阀进行了耦合分析和仿真研究，得出压桩油路中流体压力变化的模拟曲线，并根据模拟曲线分析得出流体压力的最高压力值、平均压力值和压桩频率间的相互关系。

Though Elastic pressure plate fine blanking has many structures, those structures, running mode and materials forming are similar just with different modes of pressure plate, such as odontoid gear ring pressure plate, indent plate, subulate plate and convex plate etc.

强力压板精冲虽然有多种模具结构形式，但就模具结构、动作方式和材料变形而言，都基本类似，只是压板的形式不同。

The pressure drop of airflow consisting of pressure drop of the perforated plate and liquid-layer is mainly influenced by the plate dimension and bare tower velocity, with the increasing of bare tower velocity, pressure drop of the perforated plate increases. The experimental data are used to develop a correlation as follows:ΔpD＝1.04×10－82g This correlation should be used whenβ＜5％,0.299m/s＜u＜

空气流动的阻力主要由孔板阻力和液层阻力组成，孔板阻力主要受多孔板的几何尺寸及空塔速度的影响，空塔速度越大，孔板阻力越大，对实验数据进行回归分析得出的实验关联式为：ΔpD＝1.04×10－82g 公式适用范围：β＜5％，0.299m/s＜u＜

The engineering drilling machine of KP2500 type is a species of full hydraulic pressure rotating plate-drilling machine developed by our company newly, this drill adopts full hydraulic pressure drive, con stant power variable loop, wheel cylinder startup and electrohydraulic multiple operation, the drill can adjust Torque according to stratum situation and reduce pressure to deep drilling automatically.

KP2500型工程钻机是我公司最新研制的一种全液压转盘式钻机，该机采用全液压驱动，恒功率变量回路，分泵起动，电液复合操作，钻机能够根据地层情况调整扭矩和减压自动钻进。

The high pressure pump has one or more reciprocating pumping plungers (14) and a pumping plunger actuator (62, 48, 66) driven by the drive shaft for reciprocating each pumping plunger to provide alternating intake and pumping phases of operation of the high pressure pump, at a frequency determined by the rotational speed of the drive shaft, for respectively receiving an intake charge of fuel and delivering fuel at high pressure for fuel injection.

高压泵具有一个或多个往复移动的泵送柱塞（14）和一个泵送柱塞驱动装置（62，48，66），其由驱动轴驱动，以便往复移动每个泵送柱塞，从而在由驱动轴转速决定的频率下提供高压泵工作的交替的吸入和泵送相，以便分别接受燃油的吸入量和为燃油喷射高压输送燃油。

The company is a member of the China Chemical Equipments Association and obtained the safety register certificate of the forging products for pressure vessels use issued by National Committee of Standardization Technology for Boilers and Pressure Vessels, the safety register certificate for the manufacturer of the pressure pipings (forged pipe fittings, forged steel flange) issued by Shanghai Quality and Technique Supervision Bureau and ISO9000:2000 certificate issued by ABS Technical Inspection Company.

公司是中国化工装备协会会员单位，已取得全国锅炉压力容器标准化技术委员会颁发的压力容器用钢锻件产品安全注册证书、上海市质量技术监督局颁发的压力管道制造单位安全注册证书及美国ABS技术检验公司颁发的ISO9000：2000认证证书。

In the present paper two criteria are put forward for the pressure gauge AGC, etc, gauge evaluation precision and dynamic characteristics of the system and a few typical pressure AGCs analyzed and compared and a new pressure AGC model built up.

提出了压力AGC的两个评价准则：厚度估计精度和系统动态特性，并对几种典型的压力AGC进行了分析和比较。

Agent my company's main products are: the United States Magnetrol the liquid level switch, level gauge, pressure switch Barksdale United States, Germany JUMO temperature switch and temperature instrumentation, Singapore TIS automatic calibrator temperature stress, the United States CRYSTAL precision pressure gauge and portable pressure calibrator, USA PIE site instrument calibration.

我公司代理的主要产品有：美国Magnetrol的液位开关、液位计，美国Barksdale的压力开关，德国JUMO的温度开关和温度仪表，新加坡TIS的全自动压力温度校验仪，美国CRYSTAL精密压力表和便携式压力校验仪，美国PIE的现场校验仪表等。

ENP-I blower; H-1 ~ H-4 fan; ENP-VII; TL2115 fan; medium pressure blower; low pressure blower; high pressure air

华威风机制造有限公司是一家集&设计、生产、检测于一体化&的风机专业生产厂家。

This paper introduces an economic effective way to transfer pressure filter technique of film-separate pressure filter to common box pressure filter .

介绍了一种经济、有效地将隔膜式压滤机的压滤过滤技术嫁接到现用普通箱式压滤机上的方法，在一定程度上克服了普通箱式压滤机对入料性质变化适应性差的问题。

The United Kingdom has pledged to provide technical assistance to the peacekeeping effort in Darfur, including airlifting supplies and equipment to assist the African peacekeepers.

英国承诺为达佛的維和努力提供技术帮助，包括提供非洲的維和部队空运补給和裝备。

Results: The level of ET-1mRNA in placental villus was significantly higher in pre-eclamptic women than that in control group.

结果：妊高征组患者胎盘绒毛组织ET-1 mRNA的表达较正常妊娠组明显增高。