self-priming pump with recirculation 混淆型自吸泵 ; 混合型自吸泵

self-priming pump with outer recirculation 外混合型自吸泵 ; 外混合型

elf-priming pump with recirculation 混合型自吸泵

self-priming pump with inner recirculation 内混淆型自吸泵 ; 内混合型自吸泵

self-priming pump coupling with recirculation 混合型自吸泵联轴器

priming pump with outer recirculation 外混合型自吸泵

priming pump with inner recirculation 内混合型自吸泵