闭式叶轮泵 pump with enclosed impellers

闭式叶轮离心泵 centrifugal pump with shrouded impeller

流道式叶轮泵 channel impeller pump ; chsome kind ofnel impeller pump

开式叶轮离心泵 centrifugal pump with open impeller pump

半开式叶轮离心泵 centrifugal pump with semien closed impeller pump

开式叶轮泵 open impeller pump

闭式叶轮泥浆泵 doubleshrouded impeller type sand-pump ; closed impeller type sand pump

开式叶轮泥浆泵 open impeller type sand pump

双路式叶轮泵 double channel impeller pump