提出了问题的历史背景,指出了《蒙特利尔议定书》所面临的新问题与新任务,着重论述了中国制冷空调行业淘汰、替代R22的技术出路,并分析了三条出路的利弊、优缺点与所存在的问题。对开展研发低GWP值的不饱和氟化烯烃制冷剂及其空调制冷产品提出了具体建议。对正在编制中的行业HCFC逐步淘汰与管理计划提出了三点意见。 Put forward the historical background of the problem, point out the new problems and new tasks confronting the “Montreal Protocol”, emphasize the technical outlet of the R & D of China’s refrigeration and air-conditioning industry and replace R22, and analyze the advantages and disadvantages, advantages and disadvantages of the three outlets The problem. Proposed to develop low GWP unsaturated fluorinated olefin refrigerant and its air conditioning and refrigeration products made specific recommendations. Three comments were made on the sector HCFC phase-out and management plan under preparation.