| 摘要 |
The shelf system has horizontal shelves supported by end frames. These are made up of vertical legs (5 - 8) linked at the bottom by a horizontal bar (9). The rear two legs are of the same size and are linked by a second horizontal bar (11). The remaining legs are progressively shorter and are linked to the rear legs by a sloping bar (3). The front edge of each shelf is attached to the frame at the points where the diagonal bar is attached to the tops of the legs (L, P, R). The frame is reinforced by diagonal bars (10, 13) between pairs of legs.
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