| 摘要 |
This structural member (1) comprises a body (2) with a cavity (3), plastic reinforcing ribs (4) in the cavity (3), and means (10, 12) for fixing the ribs (4) to the body (2). The fixing means comprise discrete regions (12) set back from at least one outer edge (11) of the body (2), and blocks (10) that are part of the same molding as the ribs (4) which blocks (10) envelop the cuter edge (11) in its set-back regions (12).
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