| 摘要 |
The improved structures of floorboard include a groove located in the underside of the floorboard, and a fixing block having a flange dimensioned to fit into the groove of the floorboard. The fixing block has a bottom portion intended to anchor in the cement foundation. The fixing block can be made to join with an elastic floor frame fastened to the cement floor. The floorboard can be conveniently and economically fastened to the cement foundation in various forms by means of the fixing block which is detachably fastened to the floorboard.
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