在许多国家，由于没有严格限制或执行的条例，人们可以随意从地下含水层中压泵取水。
In many countries people can pump as much water as they like from underground aquifers, because rules are either lax or not enforced.
未详细示出的泵送装置36浸没在压载物34中。
Pumping means 36 that are not shown in detail are immersed in the ballast 34.
为了获得更加稳定的系统，在电荷泵中设计了结构简单的电流单元用于补偿额外的参数变化，并采用线性压控增益的VCO来减小参数的变化。
Furthermore, a simple adjustable current cell in the charge pump is proposed for additional stability compensation and a novel VCO with linear gain is adopted to limit the total variation.
核主泵是压水型反应堆核电站中的核心设备之一。
The nuclear reactor coolant pump (RCP) is one of the core equipments in PWR nuclear Power Plant.
结果表明：该充填膏体可以划归为宾汉姆流变体，用基于宾汉姆流变体理论的公式能够预计膏体输送过程中的泵压损失；
The test results show that the fluid properties of paste mixes may be described in Bingham plastic fluids and the pumping pressure loss can be predicted with the theory.
在山西长子县某水源井施工中，利用现有7/9压风机与TB850/50泥浆泵设备，采用泡沫增压钻进技术进行钻探。
In a construction of water source well in Zhangzi County, Shanxi, we used available 7/9 air compressor and TB850/50 slurry pump, and foam pressurized drilling technique.
分析了喷射泵在压水堆一回路自然循环过渡过程中的作用以及在不同流动条件下的阻力特性。
The effect of Jet-Pump in the transient procedure of natural circulation and the resistance behaviour of Jet-Pump in the different flow condition have been analyzed.
这台低(中、高)压鼓风机(泵)将在三号车间里予以装配。
This low (middle, high) pressure blower (pump) will be assembled in the No. 3 workshop.
恰时泵注技术是一种新兴的泵注技术，在国内外加砂压裂和酸化施工作业中已发挥了重要作用。
The newly developed precise pumping technique has been effectively used in sand fracturing and acidizing operation around the world.
分布式变频泵供热系统中存在零压差点，该点供回水压力相等。
In the heat-supply system with distributed variable frequency pump, there exists a zero pressure difference, at which supply and return water pressures are equal.
在连续微孔挤出加工中，当今采用喷嘴和齿轮泵两种快速压降成核装置。
At present, in continuous extrusion processing of micro cellular plastics, the two pressure drop cell nucleation apparatus of the nozzle and gear pump are used.
通过对钻井过程中泵压、张力变化及机械钻速的分析，指出了超短半径侧钻水平井钻井技术存在的主要问题。
Based on the analysis of pump pressure, tension variation, and drilling speed, the existing problems of ultra-short radius side tracking horizontal well were presented.
作为压水堆核电机组中的水力能动设备，泵类产品的可靠性对整个核电站的安全起着及其关键的作用。
As a dynamic equipment in the PWR units, the reliability of the pumps is key to the security of whole nuclear power station.
这台低（中、高）压鼓风机（泵）将再三号车间里予以装配。
This low (middle high ) pressure blower (pump) will be assembled in the No. 3 workshop.
阐述了连续挤出设备中采用的2种成核装置(快速释压喷嘴和齿轮泵)的优缺点。
The relative merits of two kinds of nucleation devices, i. e. quick pressure-relief nozzle and gear pump adopted in the continuous extruder were expounded.
长螺旋钻管内泵压CFG桩施工技术在太原部分地区扰动敏感性土中应用时，常出现严重缩径质量问题。
Serious necking quality problems often appear when the CFG piles construction technology of long spiral drill pipe by pump pressure apply in some disturbed sensitive soil areas of Taiyuan.
对常压热水锅炉房设计运行中应注意的安全问题进行了探讨，涉及系统流程设计、水击、循环泵汽蚀。
Study on treatment process of vapour driving oil recovery wastewater reused for high pressure boiler water supply;
对常压热水锅炉房设计运行中应注意的安全问题进行了探讨，涉及系统流程设计、水击、循环泵汽蚀。
Study on treatment process of vapour driving oil recovery wastewater reused for high pressure boiler water supply;
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