GB/T 27698.3-2023热交换器及传热元件性能测试方法第3部分:传热元件国家标准
英文:Test methods for the performance of heat exchangers and heat exchange elements—Part 3: Heat exchanger elements GB/T 2...
英文:Test methods for the performance of heat exchangers and heat exchange elements—Part 3: Heat exchanger elements GB/T 2...