基本解释開式葉輪英汉例句雙語例句The author designed an unshrouded centrifugal impeller, set in the transparent centrifugal pump.本文中設計了半開式離心泵葉輪，安裝在清水透明離心泵實騐裝置中。unshrouded impeller更多例句词组短语短語unshrouded centrifugal impeller 半開式離心葉輪unshrouded impeller更多词组专业释义能源科學技術半開式葉輪機械工程半開式葉輪