| 摘要 |
An adjustable box for receiving accumulators includes a box for receiving an accumulator, a box cover for covering the box, a rectangular frame assembled between the box and the box cover, and an imaginary line defined surrounding the rectangular frame. The imaginary line divides the rectangular frame into a first connecting portion and a second connecting portion. A first distance is defined vertically from the imaginary line to the top of the rectangular frame and a second distance is defined vertically from the imaginary line to the bottom of the rectangular frame. The first distance is larger than the second distance. The rectangular frame is taken to connect to the box and the box cover for adjusting the height of the adjustable box such that the adjustable box can receive various accumulators with different sizes.
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