常見例句雙語(yǔ)例句The author designed an unshrouded centrifugal impeller, set in the transparent centrifugal pump.本文中設(shè)計(jì)了半開式離心泵葉輪，安裝在清水透明離心泵實(shí)驗(yàn)裝置中。 返回 unshrouded impeller