| 摘要 |
A carrying device including a first panel having a first end and a second end, a second panel having a first end and a second end with one end rotatively coupled to one end of the first panel, a third panel having a first end and a second end with one end rotatively coupled to the other end of the second panel, a fourth panel having a first end and a second end with one end rotatively coupled to the other end of the third panel and the other end rotatively coupled to the other end of first panel. |
