1.
MATHEMATICAL MODEL OF WATER-RING VACUUM PUMP AND ITS INFLUENCE UPON ECONOMIC EFFICIENCY OF THE CONDENSER
水环式真空泵对凝汽器经济性的影响
2.
Adding Front Spraying Device to Nash Pump
水环式真空泵增加前置喷射装置的改造
3.
TEST STUDY ON INFLUENCE OF WORKING WATER'S INLET TEMPERATURE UPON PERFORMANCE OF THE WATER-RING VACUUM PUMP AND THE CONDENSER
工作水进口温度对水环式真空泵及凝汽器性能影响的试验
4.
Calculation of Inlet Absolute Pressure of Water-circle Vaccum Pump
水环真空泵选型设计中泵入口绝对压力的计算
5.
Parametric Design and CAD System Development of Water Ring Vacuum Pump
水环真空泵参数化设计与CAD系统开发
6.
Methods of testing for water-ring vacuum pumps and compressors
GB/T13929-1992水环真空泵和水环压缩机试验方法
7.
Methods for the measurement of volume flow of gas of water-ring vacuum pump and compressor
GB/T13930-1992水环真空泵和水环压缩机气量测定方法
8.
The Application of Siemens Water-circulative Vacuum Pump in the Organic Silicon Manufacturing Device;
西门子水环真空泵在有机硅生产装置中的应用
9.
Application of water ring centrifugal vacuum pump in oxygen filling system
水环离心真空泵在氧气充装系统中的应用
10.
Application of a mixed anti-corrosive technique on water ring vacuum pump
一种混合防腐技术在水环真空泵上的应用
11.
oil sealed rotary vacuum pump
油密封式旋转真空泵
12.
water ejector pump
喷水抽气泵(一种机械真空泵)
13.
rotary oil pump
回转油真空泵，旋转式油泵
14.
water jet vacuum
水喷真空 -用喷射泵能达到的真空
15.
The vacuum pump is used to provide a vacuum environment for the freezing-drying cabinet and the condensers so as to enable the moisture in the materials to sublimate in the vacuum.
真空泵的作用是给冻干箱和冷凝器提供一个真空环境，使物料的水份可以在真空下进行升华。
16.
closed-cycle hydraulic piston pump
闭式循环水力活塞泵
17.
Heat-pipe vacuum-tube solar energy--direct heating heat-pump hot water system design research and economic analysis
热管式真空管太阳能——直热式热泵热水系统设计研究与经济分析
18.
Studying on the Optimal Circulating Water Temperature of Water-Loop Heat Pump System
水环热泵空调系统最佳循环水温研究