| 摘要 |
In a component (21; 28; 43; 47; 60; 64) for fluid dynamic devices, at least two elements (23, 24; 4, 24; 44, 45, 46; 36, 39; 48, 57; 62, 63) having different physical and/or mechanical properties, and at least one of which is made of plastic, are placed in contact with each other and form a single component made by co-moulding the elements (23, 24; 4, 24; 44, 45, 46; 36, 39; 48, 57; 62, 63) themselves.
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