| 摘要 |
A rotary body for use in a turbo machine includes a hub having an outer edge and a plurality of slots formed in the outer edge, the slots having first and second spaced-apart opposing inner surfaces extending from the outer edge to a depth within the hub, and a plurality of blades secured to the outer edge of the hub, the slots and the blades being arranged such that at least two of the blades are positioned between each pair of adjacent ones of the slots.
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