电气和电子设备机械结构 符合英制系列和公制系列机柜的热管理 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—Part 4: Cooling performance tests for water supplied heat exchangers in electronic cabinets