片语

positive-displacement position容积式驱替活塞

spiral positive-displacement compressor螺旋型正排量压气机

positive-displacement engine容积式发动机

positive-displacement grout pump排液灌浆泵

actual displacement[机] 实际排水量；有效行程；实际位移

Positive-displacement pump容积式泵

positive-displacement meter[仪] 正排量计；正排量式容积测定仪；容积式流量计

positive-displacement expansion engine翻译

positive-displacement supercharger给定式增压器

英汉例句

• the efficiency of the positive displacement type which is more used in desalination plants now is as high as 90% or above. it has become a research focus of this field.

  正位移式能量回收效率高达90%以上，目前在淡化市场上被较多采用，也成为研究的重点和热点。

• by developing a unique positive displacement system along with a special two part epoxy, this system reduced labor by 95%, increased productivity by 40% and eliminated all environmental impacts.

  通过开发一种带有特殊环氧的积极位移系统，该系统减少了95％的劳动力，增加了40％的生产力，同时消除了所有环境影响。

• because all oil pumps are positive displacement types, a pressure regulator valve must be used as a safeguard against excessively high oil pressures in the lubrication system.

  以为所有的机油泵是容积泵，必须使用压力调节阀，防止在润滑系中机油压力过高。

• double screw pump as a positive displacement pump, the pump suction chamber should be closely separated and discharge chamber inside.

  双螺桿泵作为一种容积式泵，泵内吸入室应与排出室严密地隔开。

• the concentrate delivery system employs a positive displacement pump.

  浓缩物递送系统采用正位移泵。

• the valve-controlled energy recovery device (vc-erd) designed in our research project is of the positive displacement type. it uses valves and cylinders to accomplish the energy exchange process.

  本文工作中设计和研究的阀控余压能量回收装置（vc-erd）即采用正位移式原理，利用阀和水压缸来实现能量交换。

• it is a positive displacement vacuum pump, which can pump gas by rotating slide valve to change cubage of gas- absorbing cavity.

  它是通过滑阀转子作机械旋转运动从而改变吸气腔容积以达到抽气目的的容积式真空泵。

• petroleum and natural gas industries - rotary-type positive displacement compressors - part 1: process compressors (oil-free).

  石油和天然气工业。旋转型容积式压缩机。第1部分：加工压缩机（无油）

• these positive displacement rotary gear pumps include just three moving parts.

  该旋转齿轮泵，只有三个运动部件。

• the influence of the injected gas volume on the output performance of positive displacement motor (pdm) is obvious in the process of aerated ubd.

  在充气欠平衡鉆井过程中，气体的注入量对马达的输出特性影响较大。

• screw pump is a positive displacement rotary pumps, when the export side blocked after, the pressure will gradually increase, so that the pressure exceeds a predetermined value.

  螺桿泵是一种容积式回转泵，当出口端受阻以后，压力会逐渐升高，以至于超过预定的压力值。

• the timing pump is a positive displacement pump set to ensure that product flows through the entire system at a predetermined and acceptable rate.

  这种调速泵是一个容积式泵，用来确保产品以确定的可接受的速率流过整个设备。 收藏。

• the flow control device is also applicable to positive displacement pumps and other variable displacement pumps to control gas flow or liquid flow.

  本实用新型还可用于变容真空泵和其它变量柱塞泵，实现对气体或液体流量的控制。

• positive displacement pumps are used to move liquids or compress gases. they operate on a what goes in, must come out principle.

  正排量泵用于去除液体和压缩空气。他们的工作原理是「有进需有出」。

• reciprocating positive displacement pumps may use plungers with static seals pistons with dynamic seals or liquid diaphragms to achieve their pumping action.

  往复式正排量泵可能使用带有固定密封的活塞；带有动密封的活塞；或隔膜来运行水泵。

• flexible impeller pump, such as the type of positive displacement pumps in many industrial applications in the field of centrifugal pump is as an alternative.

  诸如挠性叶轮泵之类的正排量泵在很多工业领域的应用场合中都是作为离心泵的替代品。

• the plasticating and conveying process can be obtained with the volume change of the cavity with specific shape, the process shows the character of positive displacement and high efficiency.

  塑化输送靠特定形状的空间容积变化完成，具有完全正位移特性，效率提高；

• our positive displacement pumps with exhaust silencer and inlet and outlet filters assure you top notch reliable performance.

  我们的带有排气消声器和进出口过滤器的正排量泵为您保证顶端缺口的可靠性能。

• refrigerating systems and heat pumps - safety and environmental requirements - positive displacement refrigerant compressors.

  制冷设备和热泵。安全和环境要求。容积式制冷剂压缩机。

• however, most of these commercial building are using positive displacement hot water supply equipments, and most of these equipments use electricity as their heat sourse.

  然而这些商用建筑中目前普遍使用的基本上都是容积式的热水供应设备，许多是以电做为热源的。

• this paper presents that there are two ways on the development of the positive displacement pump.

  本文提出容积泵在发展中存在「常规发展」与「机构突破」两种途径。

• the consecutive life of the positive displacement motor depends on its main shaft bearing assembly, but the assembly is a weak point.

  螺桿鉆具主轴轴承总成是螺桿鉆具的薄弱环节，对整个螺桿鉆具的使用寿命起决定性作用。

• in this paper, a new type positive displacement compressor is advanced.

  提出一种新结构形式的变容压缩器。

• positive displacement motor is widely used in sidetrack drilling inside casing because of its excellent dynamic characteristic.

  由于螺桿鉆具本身具有良好的动力特性，在套管内侧鉆中得到广泛应用。