| 摘要 |
PROBLEM TO BE SOLVED: To shorten the repair time and reduce the repair cost, by unitizing the freezer section capably of mounting and removal. SOLUTION: This cool-keeping storage is equipped with a heat insulating structure of cool-keeping storage body 1 which has a castor 6 for shifting, and a cool-keeping unit 2 which is constituted by unitizing a cold accumulator 9 being free of mounting and removal to the cool-keeping storage body 1 and cooling the inside of the cool-keeping storage body 1 and a refrigeration machine 10 for cooling the cold accumulator 9. In case that the cool-keeping unit 2 including the refrigeration machine 10 goes wrong, the cool-keeping unit 2 is removed from the cool-keeping storage body 1, and is replaced with a new cool-keeping unit 2, and the removed cool-keeping unit 2 is carried in a maker for repair.
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