| 摘要 |
A container comprises a first cover and a second cover, in which the first cover comprises an internal space. The container further comprises a plate disposed on the second cover. The second cover is provided with at least one first foolproof device, while the plate is provided with at least one second foolproof device. When the second foolproof device is engaged with the first foolproof device, the plate and the second cover are generally fixedly positioned with respect to each other.
|
