短語詞組短語controllable pitch propeller oil pump 可調(diào)螺距螺旋槳油泵propeller pump -turbine 軸流可逆式水輪機adjustableblade propeller pump 可調(diào)葉片式軸流泵horizontal volute propeller pump 臥式蝸殼旋槳泵propeller pump with adjustable 可調(diào)式軸流;可調(diào)式軸流泵propeller pump coupling 旋漿泵聯(lián)軸器aspirating propeller pump 真空式螺旋泵open type propeller pump 開敞式軸流泵mixed flow propeller pump 混流式旋漿泵 返回 propeller pump