| 摘要 |
Truss comprising a pair of beams (1) connected by means of a reticulated structure comprising a plurality of diagonal bars (2), wherein one or both beams (1) consist of a metal section provided with a longitudinal groove (1b) facing the diagonal bars (2) and having a substantially rectangular cross-section, the width of said groove (1b) being substantially equal to the width of the diagonal bars (2) so that the ends of the latter can be introduced and fixed in the groove. <IMAGE>
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