| 摘要 |
<p>The structural form comprises a number of first panels joined in edge-to-edge succession to form an enclosure having two open ends; and a number of channel members at least one for each first panel and each formed of tab portions comprising at least two second panels joined to one another with a first edge of each second panel defining a respective edge of a respective channel member, one of the second panels of each channel member being joined at its first edge to a respective edge of a respective one of the first panels which is at an open end of the enclosure, and the other of the second panels of each channel member extending to and having its first edge abutting against an inner surface of the respective one of the first panels. Each of the channel members being approximately equal in length to the length of the respective one of the first panels to which it is joined.</p> |
