
EN 15316-4-2. Heating systems in buildings. Method for calculation of system energy requirements and system efficiencies. Part 4-2. Space heating generation systems, heat pump systems
出版:British Standards Institution

專家解讀視頻
EN 15316-4-2. Heating systems in buildings. Method for calculation of system energy requirements and system efficiencies. Part 4-2. Space heating generation systems, heat pump systems
出版:British Standards Institution
專家解讀視頻