| 摘要 |
The tube framework has posts, supports or rafters (1), between which crossmembers (2) are provided. These have welded-in end plates (4.1, 4.2) and neighbouring mounting openings (3) in the top walls (2.5). Screws (7) are accessible from the mounting openings (3) and are screwed, through the end plates (4.1), into threaded bores in the side walls (1.3, 1.4) of the posts, supports or rafters (1). <IMAGE>
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