
Windows And Doors - Thermal Transmittance - Calibrated And Guarded Hot Box Method
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Windows And Doors - Thermal Transmittance - Calibrated And Guarded Hot Box Method
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻