查询词典 pumps

Main product or service: four Locator; Jusheng Ji; paint Flue-curing Barn; air compressor; jack; air gun; appearance repair aircraft ; Professional automotive instrumentation; vehicle repair tools; Household; car cleaning equipment; maintenance of air-conditioned car with vacuum pumps, power tools; hand tools; hardware; lifting tool, pneumatic tools; Main Industry: Tire Pressure Monitoring System ; Locator; Jusheng Ji; kit; jack; trailers

四轮定位仪；举升机；油漆烤房；空压机；千斤顶；风炮；外型修复机；汽车专业检测仪表；汽车维修工具；吸尘机；汽车清洗设备；汽车维修空调用真空泵；电动工具；手动工具；五金工具；起重工具；气动工具；主营行业：轮胎压力检测系统；定位仪；举升机；工具套件；千斤顶；拖

From the spray of fire extinguishing systems, water pumps can be direct bonding in the wet after the alarm valve.

笔者认为，低区的离心泵接合器应设在减压阀后。

This article introduces the structure, principles and performance of several low-noise gear pumps, analyses that gear pump is the noise source in the new internal combustion forklift and battery forklift, provides some methods which can reduce the gear pump noise, and establishes the matching relation between gear modulus and pressure angle of the gear pump, which is applied to the new internal combustion forklift and forklift battery.

摘 要：本文介绍几种低噪声齿轮泵的结构、原理和性能，分析了新型内燃叉车和电瓶叉车中齿轮泵是噪声源，给出了可降低齿轮泵噪声的方法，建立了该种齿轮泵的齿轮摸数和压力角匹配关系，并在某新型内燃叉车和电瓶叉车上得到应用。

The results show that the numerical simulation can predict the performances of axial-flow pumps so as to provide a reference for hydraulic design.

结果表明，数值模拟可以预测轴流泵的性能，为水力设计提供参考。

To automatically generate the 3D model of axial-flow pumps, a parametric modeling method based on AutoCAD and VB was proposed.

为实现轴流泵三维模型的自动生成，提出了基于AutoCAD与VB的参数化建模方法。

To improve the design and analysis of axial-flow pumps, the Computer Aided Design system and the basic methods of flow field simulation and performance prediction base on the Computational Fluid Dynamics are developed in the paper.

本文针对目前轴流泵设计和分析过程中存在的主要问题，建立了完整的计算机辅助设计系统，并通过计算流体动力学手段，建立了分析和预测轴流泵内部流场及外特性的基本方法。

The pumps have been specifically designed to avoid reverse fractionation, minimize tar formation and pump back streaming.

该泵是专门设计用来防止反向分馏、减少焦油的形成和泵回流。

And pulsation damper used simultaneously, the pulsation damper to be an in between pumps and back-pressure Bellows Seal Valves valve in order to absorb the pump and back-pressure valve between the flow peak.

与脉动阻尼器同时使用时，脉动阻尼器应安在泵与背压阀间，以吸收泵与背压阀间的流量峰值。

For the stability of the flow metering pumps, metering pump flow rate, as some big changes with pressure, you can set the exit of metering pump back-pressure valve, so that the output of metering pump flow rate stability, and then usually selected back-pressure valve The Reducing Valves pressure of the actual use of a metering pump metering pump pressure or slightly less than the use of pressure.

用于稳定计量泵的流量，如某些计量泵的流量随压力变化较大，可在计量泵的出口处设置背压阀，使计量泵的输出流量稳定，这时一般选择背压阀的压力为计量泵的实际使用压力或略小于计量泵的使用压力。

Is used to prevent Plug Valves the liquid in grity grity, which is generally used when the pressure can be greater than the liquid itself, such as the level of 2 meters to prevent the medicine chest in the liquid grity may make use of the pressure is higher than 0.02MPa back-pressure valve, the general metering pumps can be selected 0.1MPa.

用于防止液体在重力作用下自流，这时候一般选用大于液体自身压力即可，如防止液位为2米药箱中的液体自流，可选用压力大于0.02MPa的背压阀，一般计量泵选用0.1MPa即可。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。