| 摘要 |
<p>Improved assembly of structural beams and supports formed in the first place, by a straight beam (1), which has two lateral sections, which have certain inclination; said of each lateral sections contain at least three holes (15) used to fix the beam (1) to the chassis stringers. Lengthwise of the beam, holes (6) will be used to fix different functional parts, such as electrical wires, air valves, air tanks for shock-absorbers, etc.</p> |
