在泵顶部应该配置排斥叶片，用于排出固体颗粒，减少轴向推力和密封区域的压力。
Repelling vanes shall be provided on the top shroud to expel solids and reduce axial thrust and pressure at the seal area.
液滴撞击叶片，然后被收集起来并被排出。
Liquid droplets impact the vanes, where they are collected and drained.
液滴撞击叶片，然后被收集起来并被排出。
Liquid droplets impact the vanes, where they are collected and drained.
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