短語詞組短語spiral blood pump 螺旋血泵spiral screw pump 螺桿泵spiral centrifugal pump 螺旋式離心泵spiral l pump 螺旋軸泵spiral gear pump 螺齒輪泵cone spiral vane pump 錐形螺旋葉片泵single spiral stem pump 單螺桿泵double spiral pump 雙螺旋泵spiral -gear pump 斜齒齒輪泵 返回 spiral pump