| 摘要 |
In a banana ripening room, pallets of boxes of fruit are stacked in individual locations defined by a support structure, in two spaced apart rows separated by an aisle, and in two superimposed tires. The aisle defines a volume into which air is introduced under pressure by fans in an overhead space separated from the room by a false celing. All the gaps between adjacent pallets and structural members are sealed by rubber flaps, an efficient seal being obtained when boxes are used which are designed for use in pressurised ripening systems. The flaps are attached along one edge to structural members and free at their other edges to conform to the contours of the pallet loads, thereby ensuring that air can be cycled only through the pallet loads to lower pressure zones beyond the rows of pallets. .
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