| 摘要 |
PROBLEM TO BE SOLVED: To realize both of conflicting conditions such as heat insulation performance and reduction in weight in a cargo room for a wing-structure refrigerator truck, to realize both of reduction in weight and requirements of strength and rigidity for the cargo room for increasing a carrying capacity, and to solve such a problem as a very high cost required for a cargo room in a conventional refrigerator truck compared to that for a dry truck. SOLUTION: In this cargo room of the truck provided with at least a floor panel, wall parts arranged in the front and rear parts of the floor panel, a wing panel mounted to the wall parts freely openably, and a refrigerator cooling the cargo room, a cross section of the floor panel and/or the wing panel include/ includes fiber reinforced plastic forming a closed space and insulating material filling the closed space.
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