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早就有人说过,至少在近期内,离心泵每级叶轮的扬程,很可能停留在910米以下。造成这一限制的原因,流体(力学)方面的问题并不比常用材料方面的问题更大。因此,在材料科
It has long been said that at least in the near future, the impeller at each stage of the centrifugal pump is likely to stay below 910 meters. The reason for this limitation is that fluid (mechanics) problems are no more problematic than common materials. So in the materials section