multi-stage pump 多级泵 ; 多段泵 ; 多段高压泵浦 ; 立卧多级泵

multi-stage pump-turbine 多级水泵水轮机 ; 多级可逆式水轮机

multistage pump multi-stage pump 多级泵

Vertical Multi-Stage Pump 立式多叶轮加压泵

Horizontal Multi-Stage Pump 卧式多叶轮加压泵

centrifugal multi stage pump 多级离心泵

stamping multi-stage pump 冲压式多级泵

high pressure multi-stage pump 高压多级泵

multi-stage fire pump 多级消防泵