英德
有道
百度
谷歌
图片
维基
百科
管线泵
[机] in-line pump
- 指出了现有钻井泵连接管线在安装使用中的缺点，结合当前技术水平，提出了一种新的管线结构。
The paper describes the disadvantage of previous pipe line connection in use and on the basis of present technology, has a new line connection arrangement. - 介绍了国内输油管线泵的概况，并提供了多级中开式输油泵的水力设计公式和性能曲线。
The general situation of domestic oil line pumps is presented, the hydraulic design formulas and performance curves of the multistage impeller pumps are given. - 试验结果表明，改变泵出口管线结构，使泵出口压力在一定范围内工作时，流量变化大，而且泵效率较高，可以作为泵调整参数的一种手段；
The test results have proved that the flow rate widely varied and the pump efficiency is high when the pump outlet line structure was altered and the outlet pressure was controlled in a special limit.
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