... oxidize pump impeller 氧化剂泵叶轮 centrifugal pump impeller 离心泵叶轮 water pump impeller face 水泵叶轮表面 ...
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centrifugal-pump impeller 离心泵叶轮
centrifugal pump with shrouded impeller 闭式叶轮离心泵 ; 闭式叶轮 ; 闭式叶轮离心
fluid in centrifugal pump impeller 水泵叶轮内部流场
centrifugal pump with open impeller 开式叶轮离心泵
impeller of centrifugal pump 离心泵的叶轮
centrifugal pump ' s impeller 离心泵叶轮
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