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。unshrouded impeller更多例句词组短语短语unshrouded centrifugal impeller 半开式离心叶轮unshrouded impeller更多词组专业释义能源科学技术半开式叶轮机械工程半开式叶轮