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通过对Ｌ３００ａ新型混合制冷剂的实验检测，介绍了性能特点及节能的显著效果，为ＨＣＦＣ类混合制冷剂的使用提供必要数据和资料。
Through the experimental testing of L300a new mixed refrigerant, the performance characteristics and significant energy-saving effects are introduced, providing the necessary data and information for the use of HCFC refrigerant mixture.