| 摘要 |
The invention relates to a substructure of a bowling lane, which comprises a framework composed of beams (1, 2, 3). The horizontally installed beams (1, 2) of the substructure have first and second fixing means (FE, SE) and beams (1, 2) are attached together by connecting the first and second fixing means (FE, SE) of the beams (1, 2). |
