叶轮(英语:impellerimpellor[1])是一种用来增加流体压力和流量的旋转装置。与此相反的装置是涡轮,涡轮被用来从穿过它的流体中汲取动能。

水坝涡轮发电机的叶轮

水枪中的叶轮

搅拌槽中的叶轮

洗衣机中的叶轮

燃气涡轮发动机中的叶轮

空气泵浦中的叶轮

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