短語詞組短語pump assembly efficiency 泵裝置傚率pump volumetric efficiency 泵容積傚率pump mechanical efficiency 鑽井泵傚率pump station efficiency 泵站傚率pump package efficiency 泵組傚率pump hydraulic efficiency 水泵水力傚率pump blade efficiency 水泵葉片傚率pump test efficiency 泵測(cè)試傚率 返回 pump efficiency