| 摘要 |
The shelter (1) is made of arcuate sections supporting a canvas cover (3). In a sector of a circle, at the lower section of each arch there is an angular lip (8) in which the sector of the circle is inscribed. The angular lip consists of two secant bars, the first (8a) is vertical, and at the base of the sector of the circle is tangential to the end of the arch (2). The second (8b) is angled and at the top of the sector of the circle is tangential to the arch. The second bar is joined to the first and extends outwards. The ends of the bars which extend outwards are joined by a transverse bar (9) made up of hollow tubes to which the canvas is fixed.
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