| 摘要 |
A container includes a stationary container having at least an open side and provided with a first pair of rails at upper and lower positions of one inner end thereof, a second pair of rails at upper and lower positions of another inner end thereof, two secondary rails being pivotally connected to each of the rails at lower positions, and a movable container provided with a plurality of roller assemblies which are positioned to be rotatably engaged with the rails to enable the movable container to slide into the stationary container along the rails and slide out of the stationary container along the rails.
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