| 摘要 |
An exemplary box includes two sleeves and a receptacle sleeved with the sleeves. Each sleeve includes a bottom wall, a top wall, and two sidewalls perpendicular to the top and bottom walls. The receptacle includes a rack and two blocking plates depending from the sidewalls. The rack includes a support disposed between the blocking plates and parallel to the bottom walls of the sleeves, two engaging flanges at opposite sides of the support, and two wings connecting the engaging flanges to the support respectively. The engaging flanges are secured to the top walls of the sleeves respectively, and the support and the wings are suspended in the sleeves.
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