查询词典 jockey pump

Hualing Trucks boast a great variety,chiefly including various series with engineering oriented vehicle chassis (such as the series with cargo carrying vehicle chassis, the tractor series,the series with dump truck chassis, bulk trucks, mixer trucks and the serieswith pump truck chassis), stake trucks, container trucks, tank trucks, fireengines, wreckers, gas tankers, mixer trucks, unpackaged cement trucks, pump trucks and garbage trucks, etc.

华菱汽车品种丰富，主要有载货汽车底盘系列，牵引车系列和自卸汽车底盘系列，散装车、搅拌车、泵车底盘系列等各种工程类专用汽车底盘系列以及仓栅车、集装箱车、油罐车，消防车清障车，燃化气槽车，搅拌车、散装水泥车、泵车、垃圾车等整车系列，并开发出了天然气动力系列车型。

Pumping station forbay is an important part of pumping station ,and the hydraulic characteristic of the pumping station forbay has a direct influence on the efficiency of a pump. The efficiency of the pump unit can be uprated in the condition of well flow condition.

泵站前池是泵站的一个重要的组成部分，进水的水力特性对水泵性能有着直接的影响，良好的进水条件可以使水泵装置达到良好的运行状态，获得较高的效率。

Lubricating oil pump shaft and bushing wear the initiative, its increase with the gap is bound to affect the fuel pump.

润滑油泵主动轴与衬套磨损后，其配合间隙增大，必将影响泵油量。

Diesel engine oil pump gear shaft and bushing wear and tear take the initiative to repair oil pump gear as a result of its own weight and when the passive gear meshing radial thrust, shaft and bushing easily have side-hole grinding, increased gap.

柴油机齿轮式机油泵主动轴与衬套磨损后的修复由于机油泵主动齿轮本身重量及被动齿轮啮合时产生的径向推力，容易使轴和衬套孔产生偏磨，间隙增大。

Diesel engine oil pump gear shaft and bushing wear and tear take the initiative to repair oil pump gear as a result of its own weight and when the passive gear meshing radial thrust, shaft and bushing easily h**e side-hole grinding, increased gap.

柴油机齿轮式机油泵主动轴与衬套磨损后的修复由于机油泵主动齿轮本身重量及被动齿轮啮合时产生的径向推力，容易使轴和衬套孔产生偏磨，间隙增大。

The Roots pump and oil ring pump combination system, manufactured by Zhejian Vacuum Equipment Group Co.

在3000磅真空感应炉上改用浙江真空设备集团有限公司生产的罗茨油环机组代替滑阀泵，取得了较好的效果。

The design and practical research of oil-pumping unit using non-touching point control cabinet in desert oilfield;2. In this paper, the general situation of artificial lift in China is introduced, and the new development of electrical submersible pump production technology in abroad was analyzed, including electrical submersible pump,separator, protector, electrical motor, control cabinet , cable and so on.

分析了国内油田人工举升概况，重点介绍了国外电泵采油技术新进展，包括电潜泵、分离器、保护器、电机、控制柜、电缆等方面，给出了目前世界电潜泵的发展趋势主要是改进各种配套部件、加工工艺，以延长泵的使用寿命，电潜泵朝着深井、高压、大排量、高寿命、耐高温、多品种方向发展；电潜泵生产商研制了用于特殊情况下的特殊电潜泵及其部件，编制计算机程序进行泵的优化设计；最后指出了国内电泵采油存在的问题及下一步攻关方向。

Gear pump mainly by the oval-shaped opening and the pump shell composed of two gears.

齿轮泵主要是由椭圆形开泵壳和两个齿轮组成。

First, developments related to modeling of components of the Ground Source Heat Pump system are presented-vertical ground loop heat exchanger, water source heat pump, standing column well, and several types of supplemental heat rejecters used in hybrid GSHP systems.

首先给出了地源热泵系统各部件建模方面的进展，包括竖直埋管地热换热器、单井循环系统以及在地源热泵混合系统中采用的几种辅助散热装置。

On the basis of analyzing the thermodynamic properties and cycle performance of pure refrigerants, the paper optimizes their concentration while screening NARMs used in wide variable-temperature heat source. The practical applications of NARMs, such as R22/R123, R123/R125 etc., are studied in geothermal heat pump, seawater heat pump, air dehumidification system and dual-evaporator domestic refrigerator. The results show that the NARMs can match the limitation of a pinch point at the air-side exit of heat exchanger, reduce the unreasonable heat transfer temperature difference, and improve the COP of system. The above conclusion is proved by measuring the cycle performance of R12, MP39 and R11/R22 in a two-evaporator experimental system.

其次，本文在工质热物性和变工况循环性能分析基础上，筛选和优化了适应外部大变温热源约束条件的非共沸混合工质及其浓度配比；讨论了相变温差较大的非共沸混合工质（如R22/R123、R123/R125等）在地热源供热热泵、海水源供热热泵、双门冰箱和热泵空气除湿的应用，计算分析表明制冷与热泵系统采用相变温差较大的非共沸混合工质有利于弱化传热过程的&窄点&的约束，减小传热过程中的不合理温差，提高系统COP值；通过建立双蒸发温度循环系统试验装置，对R12、R22/R11和R22/R152a/R124循环性能进行实验研究，结果与理论分析一致。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。