The vacuum pump may have a pumping mechanism that exposes the gas stream to water and wherein the water vapour is condensed from the gas stream.
真空泵可以具有抽吸机构，抽吸机构将气体暴露在水中，并且其中水蒸汽从气体流中冷凝。
Based on these, the mass loss rate, coherent length and pumping mechanism have been discussed and the results agree with the observations very well.
并讨论了质量流失、相干长度和抽运机制等问题，结论与观测符合。
The most likely and obvious radiative connection between the infrared and the masers is through the mechanism of radiative pumping of the maser.
红外辐射及微波激射间最可能而又明显的辐射联系是通过微波激射的辐射抽运机制实现的。
This paper mainly described molecular mechanism of proton pumping out from bacteriorhodopsin.
对细菌视紫红质中质子泵出分子机理进行了描述。
The new mechanism has been tentatively verified by site pumping experiment at a typical ground fissure of Datong city, China.
上述地裂缝活动机理通过大同机车工厂现场抽水实验得到了初步证实。
The pump utilizes one common driving mechanism to axially rotate and laterally reciprocate the piston to provide continuous pumping of fluids with reduced pulsations.
该泵使用一个共同的驱动机构以使活塞轴向旋转且沿侧向往复运动以连续地泵送流体，同时减少脉动。
The drum type pumping unit with the new reverse mechanism has the advantages of impact structure, light weight and extended gear reducer life.
采用这种机构设计出的滚筒机具有结构紧凑、重量轻及减速器寿命长等优点。
The Pumping unit has a double-chain synchronous driving and reverse mechanism, and can realize flexible reverse with stroke increment;
抽油机具有双链条同步驱动换向机构，可实现增距式柔性换向；
To reveal the mechanism of karst collapse induced by groundwater pumping, the authors analyse the expanding condition of soil cavity by analytical method and put forward the concept of spalling force.
为研究人工抽水引起的岩溶地面塌陷的机理，用解析法分析了土洞扩展的条件，提出了剥落力的概念，认为土洞的扩展条件是剥落力大于土体抗拉强度。
And the seepage pressure mechanism is the primary mechanism of karst collapse in the center of cone of depression in continual pumping region.
渗压效应致塌机制是多年持续采水区降落漏斗中心部位岩溶塌陷的主要力学机制。
This pumping unit is made up of supporting frame, ratchet reversing gearbox, touch the pump body, make way for agencies, balance weight protection, brake mechanism.
该抽油机的主要组成结构包括机架，棘轮换向减速箱，碰泵机构，让位机构，平衡重保护装置，刹车机构。
The new type three-ring reducer can be used as drive mechanism of pumping units.
该新型减速器可用作抽油机的传动装置。
The tower type belt driven long stroke pumping unit is composed of the crank-linkage-slide mechanism, movable pulley-narrow belt-fixed pulley mechanism and compound drum stroke-increment mechanism.
无游梁塔架式胶带传动长冲程抽油机由曲柄-连杆-滑块机构、动滑轮-窄胶带-定滑轮机构和复合滚筒增程机构组成。
The mechanism for improving the pumping efficiency with the technique is analyzed. Design procedures are proposed for the lifting string of fluid assistance.
分析了助流举升技术提高泵效的机理，提出了助流举升管柱的设计步骤。
The mechanism for improving the pumping efficiency with the technique is analyzed. Design procedures are proposed for the lifting string of fluid assistance.
分析了助流举升技术提高泵效的机理，提出了助流举升管柱的设计步骤。
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