
Thermoplastics Piping Systems For Non-pressure Underground Drainage And Sewerage - Test Method For Resistance To Combined Temperature Cycling And External Loading
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Thermoplastics Piping Systems For Non-pressure Underground Drainage And Sewerage - Test Method For Resistance To Combined Temperature Cycling And External Loading
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻