短語詞組短語shrouded d impeller 閉式葉輪shrouded turbine impeller 蔽式渦輪攪拌器half shrouded centrifugal impeller 半開式離心葉輪shrouded type impeller 覆緣業(yè)輪completely shrouded impeller 全閉式葉輪ump with shrouded impeller 閉式葉輪混流泵box shrouded impeller 殼內(nèi)葉輪single -shrouded impeller 單側(cè)閉式葉輪single shrouded impeller 單側(cè)板式葉輪;半閉式葉輪 返回 shrouded impeller