从1999年1月起，欧共体内不得制造用HCFC制冷剂的新商用设备，到2030年大多数工业化国家也禁止生产。本文提出了准备改装新制冷剂的一些步骤，以达到有备无患。由于蒙特利尔议定书和哥本哈根修正案的贯彻实施，世界大多数国家将废止R12制冷剂的生产，对经济不太发达的国家，在 As of January 1999, no new commercial equipment for HCFC refrigerants may be manufactured within the EC, and production is banned in most industrialized countries by 2030. This article presents some steps to prepare a new refrigerant for refilling. Due to the implementation of the Montreal Protocol and the Copenhagen Amendment, most countries in the world will abolish the production of R12 refrigerants. For countries with less developed economies,