bell mouthed shroud 喇叭口式导风圈
bell-mouthed 钟口状的
bell-mouthed evase 喇叭口的
bell-mouthed siphon spillway 钟形口虹吸式溢水道
casing with bell-mouthed collars 承插式套管
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.
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。
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