查询词典 pumping-back method

A low slump by pumping losses : Standard Test, slump loss of less than one hour 30mm

低坍落度损失：按泵送剂标准检测，1小时坍落度损失小于30mm

Village of the party members to organize the masses to install drought commandos pumps, irrigation pumping from the creek sericulture tree, to ensure that the village mulberry silkworm base to output, the supply of cultivated cocoon of the silk mill in the town.

山村的党员抗旱突击队员组织群众安装抽水机，从小河中抽水灌溉蚕桑树，确保该村的蚕桑基地能够产出桑叶，养出蚕茧供应设在镇里的丝厂。

At the maximum head, the shaft power of prototype pump is less than 2 300 kW. The hydraulic model and optimal straight outlet conduit meet the operating condition of the pumping station.

所选用的水力模型性能满足泵站的实际运行要求，经过优化的直管式出水流道保证了泵装置高效稳定运行。

In pumping high-viscosity oil, with the increase of the shaft speed, the efficiency of the pump at the optimum operating point is improved, and the flow rate and hoisting height at the optimum efficiency point rises, therefore the rated speed of the viscous oil pump should be remarkably higher than that of the water pump.

输送高粘油时，随着泵轴转速的提高，离心泵最优工况点的效率提高，最佳效率点的流量和扬程也相应提高，因此，输送粘油用的泵的设计转速必须比水泵有较大幅度的提高。

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跨度/页级=&MsoNormal& strongspan风格=&字体大小：10pt；字体家庭：&宋体&，&无衬线&，&的工作经验电话：/跨度/ strongspan风格=&字体大小：10pt；字体家庭：&宋体&，&无衬线&，&使命的emCall：战争世界/时间利用尖端技术，包括高，细致的角色模型，自阴影，环境照明和惊人的特殊效果，提供令人惊叹的visuals.span / spanDepth外地，环照明和纹理，流媒体技术使肾上腺素抽水作战的生命，而物理功能的战场环境，消防，通过传播，切实沉浸到悲惨和动态combat。球员/跨度/页

The company range of products and services include: self-and agent all kinds of domestic and foreign oil import and export of machinery and equipment Products Services, including: drilling machinery (drill, drill pipe, square pipe, drill collar, screw drill), oil production machinery (pumping, ground-driven screw pump, electric submersible screw pump, pump, sucker rods, valves, various types of downhole tools), pipe (tubing, casing, pipe, glass pipe, composite pipe ), oil field chemicals (such as drilling fluids, completion fluids, workover fluids, anti-foam agent, emulsifier, oil microorganisms, scale, etc.) and oil technology development, transfer and services.

公司主要产品和服务范围包括：自营和代理国内外各类石油机械设备产品的进出口服务，主要包括：钻井机械（钻机、钻杆、方钻杆、钻铤、螺杆钻具）、采油机械（抽油机、地面驱动螺杆泵、电潜螺杆泵、抽油泵、抽油杆、阀门、各类井下工具）、管材（油管、套管、输送管、玻璃钢管、复合管）、油田化学品（如钻井液、完井液、修井液、防泡剂、乳化剂、采油微生物、阻垢剂等）以及石油技术的开发、转让和服务等。

The dependence of saturation factor on pumping power is measured .

测量了饱和因子和抽运功率的关系。

Our main products: dredging ship, pumping sand barge, sand screening machine, Dump Sand Barge, gravel Featured equipment, gold machinery, iron ore extraction equipment, river pebbles and weathered broken equipment, screw sand washing machines, conveyor-type automatic loading sand machinery, etc.; a total of ten series more than 30 specifications for the user to choose, and geographic environment based on user design and manufacture of special products, factory production of mechanical energy at the same time the completion of dredging excavation, screening, separation of several procedures, one-time production of qualified products, divided into sand, stone and waste in the advantage of high efficiency and low cost.

本厂主要产品：挖沙船，抽沙船，筛沙机，自卸运沙船，砂石精选设备，淘金机械，铁砂提取设备，河卵石及风化破碎设备，螺旋洗沙机，输送式自动装沙机械等；共有十大系列三十多个规格供用户选择，并根据用户地理环境设计制造异型产品，本厂生产的挖沙机械能同时完成挖掘，筛选，分离几个程序，一次性生产出合格产品，分为沙石，中石及废料，其优点效益高，成本低。

Effects and from the active sand pumping operation in the pump barrel and plunger between the low friction coefficient high wear resistance and low suction resistance of view poor condition of the pump in the mine with long life.

合理的下井工艺在开发研制新结构抽油泵的同时，试行了两种下井工艺。

By completing the pumping core moves is by the hydraulic system, it is very difficult to use the moving of closed modules to make roof -board restored, although the use of spring-loaded restoration simpler, but still using micro-switches on the roof spaces for testing.

因抽芯动作由液压系统完成，无法利用合模动作使顶板先复位，虽然使用弹簧复位较简单，但仍需用微动开关对顶板复位进行检测。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。