查询词典 pumping-back method

The system of the characteristic tests and fault diagnoses of pumping station is a complicated one combining multifold technologies such as control technology, computer technology and fault diagnose technology. At present the research on this field is at the underway stage.

泵站特性测试与故障诊断系统是一个综合测试控制技术、计算机技术、通信技术和故障诊断技术等多种学科知识，结构复杂的体系，目前国内对于这一领域的研究还处于起步阶段。

Have a more muted effect on pumping prices than in the past.

与过去相比，其对推升汽油价格的影响也小得多。

The oxygen service pumps are suitable for pumping oxygen, air, nitrogen, argon, and other nonreactive gases.

氧气泵适合抽氧气、大气、氮气、氩气和其他不反应气体。

The catalytic activated carbon deodorizing device was used for purifying odorous gases in sewage pumping station.

采用催化型活性炭除臭装置对污水泵站产生的臭气进行净化。

According to various pumping styles, the laser output efficiency and optimal output coupling are different, and so do other parameters.

染料激光器由于不同的抽运方式，在出光效率和最佳输出耦合率等参数上有很大的不同。

The three order polynomial of pump's efficiency curve for different speeds was inferenced for the first time, and the mathematical model for optimal operation of pumping unit by speed control was established.

详细地研究了螺旋离心泵的变速性能。首次推导出不同转速下泵效率曲线的3次多项式方程，并建立了变速优化运行数学模型。

1 For water out of hydraulic system: adopt blocking and draining methods, unique draining structure is designed at the guide sleeve of the piston rod in pumping oil cylinder, which makes the water leaked into the scraper seal converging in the waterspout and drained through the osculum, thus avoiding the water getting into hydraulic system through the seal.

对于液压系统外水分：采取堵，排共施的策略，在泵送油缸活塞杆导向套处 2009 年第 1 版( The first edition in 2009) 18 HBT60.13.90S HBT60.13.90SC 设计有独特的排水结构，其可将渗入防尘圈的水汇聚于排水槽内并通过排水孔排出，从而避免了水分通过后面的密封进入液压系统，做到将水分拒之于系统之外。

The output beam divergence is a function of pumping power and geometric parameters of resonator.

多模激光器的输出功率对腔参数的变化是不灵敏的。

The mechanical power of falling water is an age-old tool .of all the renewable energy sources that generate electricity ,hydropower is the most often used .it is one of the oldest sources of energy and was used thousands of years ago to turn a paddle wheel for purposes such as grinding grain .in the 1700's ,mechanical hydropower was used extensively for milling and pumping .

减少水的机械动力，是一个古老的工具，所有的可再生能源。是发电，水电是最常用的。它是最古老的能源来源之一，是用几千年前把桨车轮的用途，例如磨粒在1700年，机械水力发电。被大量用于加工和抽水。

The facility is also a world-scale chemical plant, pumping out thousands of tons of polyethylene and polypropylene, the building blocks of plastic, and paraxylene, which gets turned into polyester.

这家工厂也是一座世界级规模的化工厂，将源源不断地生产成千上万吨聚乙烯、聚丙烯和二甲苯（PX，用于合成聚脂纤维）。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。