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di bi zhuan shu zi xi li xin beng de she ji shi yan yu yan jiu
Author(s): 
Pages: 17-31
Year: Issue:  4
Journal: Water Saving Irrigation

Keyword:  自吸泵自吸性能自吸离心泵低比转数泵体叶轮进口水泵效率平衡孔泵设计自吸高度;
Abstract: <正> 一、前言为了满足喷灌事业发展的需要,根据中国科学院一九七六年至一九八五年全国科学技术发展规划重点项目第五项《我国北方干旱、半干旱地区水利资源的开发利用》中灌溉新技术规划,一九七六年成立了“全国喷灌自吸泵联合设计组”,承担研制2英寸和2.5英寸喷灌自吸泵的任务。按规定的设计指标计算,这两种泵的比转数较低(分别为44.1与49.5),要求的水泵效率较高(分
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