葉輪

葉輪（英語：[1]）是一種用來增加流體壓力和流量的旋轉裝置。與此相反的裝置是渦輪，渦輪被用來從穿過它的流體中汲取動能。

水坝涡轮发电机的叶轮

引用來源
  1. "impeller, n.". OED Online. March 2013. Oxford University Press. 20 March 2013 .
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