
BS EN 255-3. Air conditioners. Liquid chilling packages and heat pumps with electrically driven compressors. Heating mode. Part 3. Testing and requirements for marking for domestic hot water units
出版:British Standards Institution

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BS EN 255-3. Air conditioners. Liquid chilling packages and heat pumps with electrically driven compressors. Heating mode. Part 3. Testing and requirements for marking for domestic hot water units
出版:British Standards Institution
专家解读视频