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1)  hilly pipeline
大落差管道
1.
The quantitative and qualitative analysis or the change law of pressure along pipeline produced from different products with different densities for the hilly pipeline have been made with hydraulic calculation equations combined with the case.
利用水力计算公式,结合实例,对不同油品在大落差管道中交替时沿线的压力变化规律做了定性和定量的分析。
2)  Great fall highness
特大落差
3)  maximum drop
最大落差
1.
End-dump river closure risk probabiliiy model and its calculation based on maximum drop;
基于最大落差的立堵截流风险率模型及计算
4)  great fall head
大落差
1.
This paper mainly presents the successful experiences of resolving the technical problem of downward pumping of the concrete under condition of great fall head.
主要介绍解决大落差的大体积混凝土向下泵送技术难题的成功经验。
5)  big fall voltage
大电压落差
1.
A method of direct current converting to realize the DC-DC24V of big fall voltage with high-frequency link is presented in this paper.
提出了一种采用高频链实现大电压落差的DC-DC24V直流变换方法,并详细阐述了工作原理、控制方案和高频变压器的参数设计。
6)  portal front axle
大落差前桥
补充资料:次大口径成品油管道(见大口径原油管道)


次大口径成品油管道(见大口径原油管道)
small big inch products pipeline

  次大口径成品油管道比m“,。彬duet、pipeline)见大。径原油管道。
  
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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