Centrifugal and mixed flow pumps pressurized water chamber is a common spiral-shaped, called the volute.

离心泵和混流泵常见的压水室是螺旋形的，称为涡壳。

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Centrifugal and mixed flow pumps pressurized water chamber is a common spiral-shaped, called the volute.

离心泵和混流泵常见的压水室是螺旋形的，称为涡壳。

youdao