| 摘要 |
<p>The connecting element (10) made of flexible elongated steel plate has hooks (11) that are provided with crook (16) to receive the reinforcement rods (21). The hook has a bottom portion near to the corresponding end of the connecting element. The reinforcement rod with predetermined diameter is connected to the hook such that the longitudinal dimension of the hook is larger than the diameter of the reinforcement rod when the connecting element is bent in active position.</p> |
