确定泵的类型后，再依流量和压头选泵。
To determine the type of pump, then in accordance with the flow and pump pressure head election.
泵的效率值与泵的类型、大小、结构、制造精度和输送液体的性质有关。
Pump and pump the efficiency of the type, size, structure, precision manufacturing and distribution of the nature of the liquid.
涉及了主要的泵的类型，描述了性能参数以及影响因素，并提供了如何计算输入功率的简单示例。
It covers the main pump types describes performance characteristics and factors and provides a quick look at how horsepower requirements are calculated.
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