mammoth pump是什么意思

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Numerical simulation of 3D turbulent flow and hydraulic loss in outlet conduit of large pumping station;

大型泵站出水流道三维流动及水力损失数值计算

Causes of formation of cracks in large pumping station and measures for their treatment;

大型泵站裂缝成因分析及处理

Research and Develop Field Test Data Acquisition & Analysis System for Large Pumping Station Based on VI;

大型泵站现场测试数据采集与分析虚拟仪器系统研发

The problems of large-sized pumping station rehabilitation in China are studied and discussed.

对全国大型泵站更新改造前期工作中遇到的有关问题进行研究和探讨,提出大型泵站的界定标准、全国大型泵站更新改造规模及投资估算、全国大型泵站的分区及改造对策、更新改造泵站安全类别的确定依据等。

Design of large-scale pumping stations in South-to-North Water Transfer East Route Project;

南水北调东线工程大型泵站设计研究

Study on the Technical Economic Indicator System and Comprehensive Evaluation for Large Pump Stations;

大型泵站技术经济指标体系及综合评价方法研究

Economical operation by adjusting rotational speed and blade angle in large pump stations is put forward,calculation results indicate that assembly efficiency by adjusting rotational speed and blade angle is about 5 percentage points high.

分析了泵装置进行工况调节的方法,如变角调节、变速调节、可调前导叶调节、前置导轮调节等,推导出了变角经济运行、变速经济运行的优化表达式,并提出了大型泵站变速变角经济运行方式。

The engineering feasibility and economic reasonableness of speed-variable opera tion with frequency convertor for large pump station were described in this pape r.

本文阐述了大型泵站采用变频调速运行的技术可行性与经济合理性，表明变频调速运行能发挥泵机组的潜能，需要时可实行最大流量排涝，达到高效、节能及充分利用的目的。

For whole steel plate with nozzle of a large scale tank, a special postweld heat treatment oven will be required to satisfy operating sequence.

大型储罐带接管壁板的现场整体焊后热处理 ,需要在施工现场建造出特型的热处理炉来满足工序要求 ,本文介绍这项热处理工艺的设计及功率推算过程 ,具体给出了测温热电偶和电加热片的分布方