| 摘要 |
<p>The upper portion (4) a connector (2) has parallel straight bends (5) at the center of the lateral sides, which divide the connector into non-deformed zones (6) which are symmetrical to the longitudinal and transverse axes of band (1). The bends form vertically-descending lateral walls (7) which are connected to the non-deformed portions, by warped surfaces (8).</p> |
