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根据《蒙特利尔议定书》的规定，发达国家和发展中国家已经或即将禁用ＣＦＣ－１２。目前有多种替代方案，但各有优缺点，国内外正在研究新一代的替代物。本文提出一种可直接灌注的长期性新替代物清华２号（ＴＨＲ０２），并对其在家用冰箱中的使用进行了详细的试验研究：制冷剂与润滑油和材料的相容性；系统硬件未做任何改动的情况下，直接灌注进行压缩机和冰箱的热工性能对比试验；以及压缩机和冰箱的耐久性试验。
Under the Montreal Protocol, CFC-12 has been or is about to be banned in both developed and developing countries. There are a variety of alternatives currently available, but each has advantages and disadvantages and a new generation of alternatives are being studied both at home and abroad. This paper presents a long-term direct infusion of new alternative Tsinghua 2 (THR02), and its use in home refrigerators in a detailed experimental study: Compatibility of refrigerants and lubricants and materials; system hardware Without any changes in the case of direct perfusion Compressor and refrigerator thermal performance comparison test; and compressor and refrigerator durability test.