悬臂泵叶轮有闭式、开式、旋流式三种型式，以满足不同的应用需要。
Cantilever pumps are available with closed, open or vortex impellers to meet the requirements of different applications.
该计算结果为建立少叶片半开式叶轮纸浆泵的设计方法提供了理论依据。
This calculation result provides design basis for the establishment of stock pump with semi-open and fewer blades impeller.
SPV系列泵是单级混流泵，采用开式叶轮，后拉出式设计，可以提供卧式（SPP）和立式（SPV）两种型式。
Pumps of the series SPP/SPV are single-stage mixedflow pumps, adopted open impeller and back pull-out design. They are available in both horizontal and vertical design.
本文中设计了半开式离心泵叶轮，安装在清水透明离心泵实验装置中。
The author designed an unshrouded centrifugal impeller, set in the transparent centrifugal pump.
本文中设计了半开式离心泵叶轮，安装在清水透明离心泵实验装置中。
The author designed an unshrouded centrifugal impeller, set in the transparent centrifugal pump.
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