查询词典 diffusion air pump

Fill the role of letter is to pump shell and closed the gap between the shaft from the water pump does not flow outside to not let outside air into the pump.

填料函的作用主要是为了封闭泵壳与泵轴之间的空隙，不让泵内的水流不流到外面来也不让外面的空气进入到泵内。

Fill the role of letter is to pump shell and closed the gap between the shaft, not pump the water does not flow to the outside to not let the outside air into the pump.

填料函的作用主要是为了封闭泵壳与泵轴之间的空隙，不让泵内的水流不流到外面来也不让外面的空气进入到泵内。

Vessel is isolated from air, is filled with running cooling water, and at one side it communicates with pump which is connected with pipeline, and at other side it communicates with outlet pipe 6 having its end located below pump which ensures running of cooling water as through syphon from pump to outlet pipe and into surrounding water basin without consuming any outside energy.

船只是孤立的，从空气，充满运行的冷却水，并在一方，它沟通与泵这是与管道，并在其他方面，它沟通与出水管6月底，其位于下面的泵，确保运行的冷却水作为通过虹吸从泵出水管和到周围水流域没有消费任何外来能源。

Supplies the engine pure part: The piston unit, the connecting rod, the crank module, the piston curl, the connecting rod tile, the host axle bush, stop push around the piece, the crank the oil seal, the cylinder bed, the oil sump filling piece, the gear room filling piece, the water pump filling piece, to enter the exhaust gate, the valve-seat ring, the air valve guide, the tire valve oil seal, the fuel pump unit, the plunger matching part, the bean matching part, the turbosupercharger, the cylinder cover unit, the crank case body, filters, Chai Lv, the generator, the generator, the water pump, the water pipe spatially and so on.

供应发动机纯正部件：活塞总成、连杆、曲轴组件、活塞环、连杆瓦、主轴瓦、止推片、曲轴前后油封、缸床、油底壳垫片、齿轮室垫片、水泵垫片、进排气门、气门座圈、气门导管、气门油封、燃油泵总成、柱塞偶件、喷油嘴偶件、涡轮增压器，气缸盖总成，曲轴箱体，空滤、柴滤、发电机、起动机、水泵、水管等。

In addition, on the basis of introducing systematic principle of water- loop heat pump, have distinguished and analyzed to some several concepts fuzzier and easier to obscure in using, the conclusion is that water- loop heat pump belongs to the air- source heat pump in fact.

此外，在简单介绍水环热泵系统原理的基础上，对一些在使用中比较模糊和容易混淆的几个概念进行了区别和分析，并得出水环热泵事实上应该是一种空气源热泵的结论。

The article stated a number of issues which should be solved by commercial low-temperature Air-source heat pump,such as heat pump cycle of screw compressor with economizer, Two-stage screw compression system,double stage coupling heat pump,cascade refrigeration system.

文章阐明了带经济器的螺杆压缩机系统、双级往复压缩系统、双系统中间水路耦合系统、复叠式系统等商用低温空气源热泵系统需要解决的一些问题，对于更好地促进这空气源热泵技术的发展具有积极的意义。

Fans and pumps are the mechanical properties of square torque characteristics, pump run-time,* the opening of the valve regulating the flow to meet water supply requirements, working conditions and the fan is similar to,* adjusting damper, duct or valve opening tailgate degrees to adjust the blower air volume, pumps flow methods, known as cutting regulation, regulation on cost-cutting process, the fan or pump the inherent characteristics of the same, only * small throttle clearance, baffle or valve opening, artificially increase line resistance, which increases the loss of pipeline system is not conducive to fan, pump energy-saving operation.

风机和水泵的机械特性均为平方转矩特性，水泵运行时，*阀门的开度调节流量来满足供水要求，工况与风机相似，*调节风门、风道档板或阀门的开度来调节风机风量，水泵流量的方法、称为节流调节，在节流调节过程中，风机或水泵固有特性不变、仅仅*关小风门、挡板或阀门的开度，人为地增加管路的阻力，由此增大管路系统的损失，不利于风机，水泵的节能运行。

In case that vacuum pump stops working or power supply is suddenly broken off, valve will be cosed automatically to keep the vacuum system vacuum and the air charged into the cavity of vacuum pump, thus to prevent pump oil from reverse flow that can pollute the vacuum system.

使真空系统保持真空并将大气充入泵腔内，从而避免泵油逆向流动而污染真空系统。

Engineering College, Air Force Engineering University, Xi'an Shaanxi 710038, ChinaAbstract: The math model of the movement, flux and control system of position pump was established by analyzing its working principle, and its hydraulic system simulation model was established based on AMESim. The pressure and flux pulsation of the position pump was analyzed, and the pressure and flux was calculated by simulation when there are sign of wear for the position pump and system flux change.

分析了恒压力轴向柱塞泵的工作原理，推导并建立了液压泵压力流量和压力调节机构的数学模型，并在此基础上以AMESim工程软件为平台建立了轴向柱塞泵的仿真模型，分析了压力流量脉动状况并对液压泵在内部磨损和系统流量变化两种情况下的压力流量进行了仿真计算，对两种情况下泵的工作情况进行分析比较，为液压脉动抑制和故障分析提供了参考。

At pump start before the shell and the water pump tube must be filled with water, the air This is because there is existence, the population vacuum pump can not create and maintain.

水泵在启动以前，泵壳和吸水管内必须先充满水，这是因为有空气存在的情况下，水泵吸人口真空无法形成和保持。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。