GB/T 40815.4-2021电气和电子设备机械结构u3000符合英制系列和公制系列机柜的热管理u3000第4部分：电子机柜中供水热交换器的冷却性能试验Mechanical structures for electrical and electronic equipment. Thermal management for cabinets in accordance with inch and metric system. Part4:Cooling performance tests for wat

GB/T 40815.4-2021电气和电子设备机械结构u3000符合英制系列和公制系列机柜的热管理u3000第4部分：电子机柜中供水热交换器的冷却性能试验Mechanical structures for electrical and electronic equipment. Thermal management for cabinets in accordance with inch and metric system. Part4:Cooling performance tests for water supplied heat exchangers in electronic cabinets