?多级离心泵
...多级离心泵 barrel-type pump; centrifugal multi stage pump; centrifugal multistage pump; centrifugal pump of multistage type; mucp; multi-stage (diffuser type) centrifugal pump; multi-stagecentrifugal pump; multiple centrifugal pump; multiple stage centiifugal pump; multiple stage centrifugal pump; multiple-stage centrifugal pump; multistage centrifugal pumps; segmental type pump; stage chamber pump 多级离心式 multistage centrifugal ..