| 摘要 |
In a movable carriage having upright walls the bottom is pivotally connected with the walls and has two bottom portions pivotally connected with one another, so that in a horizontal position the bottom can support goods, in a completely upright position a user can walk inside the carriage, and in a position in which one bottom portion is placed on another bottom portion a seat is formed and a user can sit in the carriage.
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