| 摘要 |
A tower for a wireless transmission device including at least one shaft extending upwardly between top and bottom portions, transverse spars extending outwardly from the shaft, at least one brace connected to at least one of the spars and extending between the top and bottom portions, wherein the transverse spars are articulated in relation to the shaft and form, in conjunction with the braces, cells conserving parallelism of the spars. |
