| 摘要 |
<p>A cooling device, comprising a heat exchanging means formed of a plurality of heat exchanging systems stored in a casing (31), the heat exchanging means further comprising a refrigerant forcibly circulating system, a refrigerant natural circulating system, and a ventilating system, wherein the inside of the casing (31) of a storage box (30) having equipment (32) including heating parts (33) stored therein is cooled by switching to an optimum cooling system by a temperature detection means.</p> |
