短語詞組短語screw vane pump 螺旋形滑片泵screw vane pump coupling 螺旋形滑片泵聯(lián)軸器screw type pump 螺旋泵screw though pump 槽式螺旋泵screw ane pump 螺旋形滑片泵screw centrifugal pump 螺旋離心泵screw u pump 螺旋泵Screw rane pump 螺桿泵screw oil pump 單螺桿油泵;螺桿油泵 返回 screw pump