| 摘要 |
PURPOSE: Flooring materials for a sports ground are provided to protect the articulations of a sports player and to heighten the operational efficiency of a sports ground. CONSTITUTION: The flooring materials for a sports ground comprise upper sides(1), lower sides(2), many projections(3) for absorbing vertical shock, connecting hooks(4) and connecting clips(5) for connecting each flooring material and containing a space to absorb horizontal shock, and a contraction-expansion control unit(6).
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