| 摘要 |
The posts (1) are fixed in the ground, and accommodate grilles (2) between them. The latter consist of top and bottom horizontal members (4) joined to each other by upright bars (5). Each horizontal member has a pin of predetermined length at each end and which fits in a hole in the side of the post which is directed towards it. The pins can be screwed to take one or more fixing nuts, and the holes can be formed in a mounting bracket fixed to the post at its central area, typically at its central portion, forming spring ends.
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