| 摘要 |
A fluid flow inducer comprises a stationary part and a rotating part, and has a first member having a radially indented face, and a second member having a radially and outwardly inclined surface. The outwardly inclined surface is spaced from and faces the radially indented face. One of the radially indented face and the outwardly inclined surface is configured for provision on the stationary part, and the other of the radially indented face and the outwardly inclined surface is configured for provision on the rotating part.
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