它包括转轴、泵体、泵盖，两个叶轮背靠背地安装在一起，构成双吸叶轮；
The double attraction centrifugal pump consists of rotation shaft, pump body, pump cover, and double attraction vane wheel comprising two back-to-back installed vane wheels.
它包括转轴、泵体、泵盖，两个叶轮背靠背地安装在一起，构成双吸叶轮；
The double attraction centrifugal pump consists of rotation shaft, pump body, pump cover, and double attraction vane wheel comprising two back-to-back installed vane wheels.
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