- n.循环灌泵,泵的循环引动
- elf-priming pumwith recirculation: 混合型自吸泵
- self-priming pumwith recirculation: 外混合型自吸泵
- self-priming pumwith inner recirculation: 内混合型自吸泵
- self-priming pumwith outer recirculation: 内混合型自吸泵; 外混合型自吸泵
- elf-priming pumwith i er recirculation: 内混合型自吸泵
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