| 摘要 |
A a reinforced musical drum rim including a drum rim in which: a concavity is cut out of the underside of said drum rim; in said concavity is established a honeycomb-like reinforcement structure comprising a chain of hexagonally shaped reinforcements; a plurality of equally spaced screw hole units through which respective clamping screws are passable are disposed within the reinforcement structure so that deformation occuring in the drum rim due to the tightening of the clamping screws is prevented.
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