本实验采用平切形入口、斜切形入口及喇叭形入口三种入口条件进行研究，以便确定不同入口条件对液泛现象的影响。
Three different entrances, namely bell-mouthed entrance, plane entrance and inclined entrance are used in order to determine the influence of entrance shapes upon the flooding phenomenon.
泵吸入口有通常的喇叭形或改进的椭圆导流墩两种。
The inlet has two types: the usual trumpet type and the changed ellipse frusta type.
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