服务器诊所经常提倡“双级”编程-组合两种不同语言-来利用各自的长处。
Server clinic often advocates "dual-level" programming — combination of a couple of different languages — to exploit the strengths of each.
采用独特的双级超速雾化装置。
It adopts the unique dual grade overspeed atomization device.
单、双级旋片式真空泵。
双级热泵系统是获得高温工质的一个重要研究方向。
Two-stage heat pump system is an important research direction which can acquire high temperature working fluid.
阐述了用双级气浮法处理洗毛废水的全部过程及结果。
This article expounds the entire process and results of treatment of wool scouring effluent by two stage air floatation method.
一种双级滑阀真空泵，由气路管道和二级滑阀缸组成。
The utility model provides a double-stage slide valve vacuum pump, which consists of an air pipe and two slide valve cylinders.
建立了基于自抗扰控制器的双级矩阵变换器闭环控制系统模型。
Then, the closed-loop control system model based on the ADRC is established.
研究了淬火、双级时效工艺参数对7475厚板组织、性能的影响。
The influences of the quenching and dual aging process on the structure and properties of 7475 alloy plates are studied.
采用数值模拟的方法，研究了引气对某双级轴流压气机气动性能的影响。
The effect of bleeding on the performance of a two-stage axial-flow compressor was performed with the help of numerical method.
塔河油田水平井由于第二次开钻裸眼段长，技术套管采用双级固井技术。
The two-stage cementing technique was used for the protective casing of the horizonal well in Tahe oil field because of a long open-hole interval in secondary spudding.
研究了双级时效处理对7b04铝合金预拉伸厚板的组织和性能的影响。
The microstructure and properties of two-step aged 7b04 aluminum alloy pre-stretched thick plate were investigated using TEM, tensile and electrical conductivity test.
双级水平中开泵为需要适度的高水头而设计，能提供一个很宽的流量范围。
Two Stage, Horizontally Split Case Pumps designed for applications requiring moderately high head over a wide range of flows.
介绍了SJG-A型双级注水泥器的结构特点、使用要求及现场应用情况。
The paper gives an introduction to the structure , operating requirements and applications in olifields of Type SJG A double stage cementing implement.
该装置由原水预处理组、双级反渗透装置、一个储槽和一个配水回路构成。
The plant consists of a raw water pretreatment group, a double stages reverse osmosis, a storage tank and a distribution loop.
可同时装两个胶塞，既可用于常规双塞固井，又可用于连续式双级注水泥作业。
It can couple with two plugs simultaneously, and makes the drilling fluid fill into casing in turn and quickly. This can simplify the cementing operation, prevent cement pollution.
现场应用表明，双级梯度多凝水泥浆固井技术能减少施工压力，防止压漏地层；
The slurry has been used in field and the results showed that operating pressure was reduced and formation breakdown was prevented;
液压开门器与BS63-B型双级、双流量、单输出专用液压手动泵配合使用。
Hydraulic Door Openeris designed to work together with BS63-B double-stage double-flow single-output hydraulic manual pump.
采用比泽尔双级压缩机，功率从5HP -30HP ，广泛应用于速冻设备中。
Adopting the BITZER two stage compressor , the units power is from 5HP -30HP , and can be widely used in quick freezing equipment .
以最大腐蚀深度为腐蚀损伤衡量指标，研究双级时效合金模锻件腐蚀的统计规律。
The results showed that, for 1420 alloy at double-ageing state, the maximum corrosion depth was consistent with the Gumbel distribution law.
单级或双级泵是通过橡胶膜片上下往复运动，引导气流通过泵头，形成真空状态。
One-stage or two-stage pumps feature up and down movement of flexible diaphragm during the mechanical stage which induces a flow of gas through the pump head, generating a vacuum.
介绍了自行设计的双级热泵实验系统，分析了实验中遇到的问题，提出了改进方案。
Presents the two-stage heat pump test-bed designed by the authors, analyses the problem existed in experiment and offers the improving method.
本文简单叙述了机械阻抗法的概念，系统推证了刚性基础下单级和双级隔振的传递率。
The concept of this technique is given in this paper and the transmissibility for one and two-stage mounting systems supported on rigid foundation is derived systematically.
为提高现有双级注水泥器打开和关闭的成功率，研制了DSG—A型系列双级注水泥器。
To raise the success rate of opening and closing the two-stage cementing tool, Model dsg-a cementing tool is developed.
通过设计的调节站，该装置可以进行单级制冷循环、双级制冷循环以及复叠式制冷循环。
The system could carry on the single-series refrigeration cycle, double-series refrigeration cycle and cascade refrigeration cycle through the designed regulating station.
将双级压缩和变频技术有机结合，提出一种适用于寒冷地区双级压缩变频空气源热泵系统。
A two-stage compression variable frequency air source heat pump (TV-ASHP) has been developed combining variable frequency technology with two-stage compression cycle.
双级矩阵变换器是一种新型拓扑结构的矩阵变换器，它相对常规矩阵变换器更具发展潜力。
Two-stage matrix converter (TSMC) is a kind of new matrix converter with novel topology, which has more potentials than conventional matrix converter (CMC).
介绍了以双级分压器为标准、用HEW 4互感器校验仪测试匝数的一种简单实用的方法。
This paper puts forth a simple, effective method of testing the number of turns using HEW4 type transformer calibrator along with a double stage voltage divider.
介绍了一种新型手动双作用双级柱塞泵的工作原理，给出了其排量与输出压力的计算公式。
The working principle of a new kind of double-acting hand piston pump having two-step output pressure was introduced. The displacement and the output pressure calculating formulae were given.
它是继零磁通电流互感器、双级电流互感器和电流比较仪之后的又一种新型的电流比例标准。
It is a new current ratio standard after the zero flux current transformer, two stage current transformer and current comparator.
它是继零磁通电流互感器、双级电流互感器和电流比较仪之后的又一种新型的电流比例标准。
It is a new current ratio standard after the zero flux current transformer, two stage current transformer and current comparator.
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