应用于特定制冷过程中的载冷剂的选用极为重要。在选择时应对所有有关的因素都予以考虑。最重要的因素有: 1.指定的载冷剂工作温度范围; 2.运行的可靠性; 3.锈蚀诱生特性; The choice of the refrigerant used in a particular refrigeration process is extremely important. All relevant factors should be considered when choosing. The most important factors are: 1. The specified working temperature range of the refrigerant; 2. The reliability of the operation; 3. The corrosion induced characteristics;