high speed partial flow pump 高速部分流泵
The partial flow pump which is also named tangent pump is a kind of new type centrifugal pump for transporting the liquid of small-capacity and high-head.
部分流泵也称切线泵，适于输送小流量高扬程流体的场合。
参考来源 - 部分流泵性能研究及应用·2,447,543篇论文数据，部分数据来源于NoteExpress
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