Secondly, Interpreted the thermal storage theory, the fundamental of medium selection, the influence of freon to the atmosphere and the character of HCFC123 as well.

• 第二，阐述了蓄冷介质的蓄冷原理和蓄冷介质的选择原则，讨论了氟利昂对环境的影响及其解决办法，介绍了载冷剂HCFC123的性质；