| 摘要 |
The construction element comprises a body which has resiliently openable jaws at least at one end thereof which are locatable between similar jaws of a further construction element with the jaws of the respective elements in mutually transverse planes. The jaws have an open front defined between free ends thereof whereby said jaws locate each other with the free ends of the jaws of each element resiliently engaging retention means on the other element. |
