基本解释开式叶轮英汉例句双语例句The author designed an unshrouded centrifugal impeller, set in the transparent centrifugal pump.本文中设计了半开式离心泵叶轮，安装在清水透明离心泵实验装置中。词组短语短语unshrouded centrifugal impeller 半开式离心叶轮专业释义能源科学技术半开式叶轮机械工程半开式叶轮